Rowediting does not work?

Windows Forms Data Controls and Databinding

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    - Adding a Rectangle object to a Panel I was able to add a button/label to a Panel like this; this.panel1.Controls.Add(this.button1); this.panel1.Controls.Add(this.label11); this works..OK!! But, what I need is to add a Rectangle object to a Panel. I draw a Rectangle object; Graphics graph = this.CreateGraphics(); Pen penCurrent = new Pen(Color.Red); Rectangle Rect = new Rectangle(300, 50, 150, 75); graph.DrawRectangle(penCurrent, Rect); But when i do like this; this.panel1.Controls.Add(this.Rect); it gives an ERROR! ----- Says; Controls.Add() , works only for System.Windows.Forms.Control and CanNOT work with System.Drawing.Rectangle ----- So how can i achive this; add a Rectangle object to a Panel Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Moving a Windows Form. Hi, I'm trying to find some resources on how to do the following on a user's desktop; A) OnLoad find out what windows objects currently exist on the user's desktop (thereby load in the correct location appropriately). B) Move a window on the user's desktop. I.e., When the form loads I want it to slide in, not just appear). I have not had any luck finding resources on the above, so if anyone has any ideas that would be great. Thanks - Greg. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - System.Diagnostics.Process I am trying to use the System.Diagnostics.Process to execute an external utility executable. When I do the .Start() it is executed fine, but then does not return any data. When I run the utility on its own, I see a message in my command prompt. I need that data that it returns, any clues how I might be able to access it Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - How to deselect the DataGridView row header Hi, I'm trying to figure how if it's possible to completely deselect rows, including the arrow symbol in the rowheader cell. The reason I am trying to do this is because with multiple selections (eg. using CTRL key) the user can select multiple rows, but they can also deselect previous selections. Example: - Select first 3 rows with CTRL key - Deselect 3rd row with CTRL key. The SelectedRows collection correctly reflects the change, and now contains only the first 2 rows. Also, the CurrentRow.Selected = false for the third row - But the RowHeader arrow is still on the third row, which is now no longer selected - What I would ideally like is to set the new CurrentRow to be the second row, and the RowHeader to be updated accordingly I have tried the following: DataGridViewSelectedRowCollection selRows = _dataGrid.SelectedRows; bool selected = _currentRow.Selected; if (selRows.Count > 0 && !selected) { //Get index of last row in selRows collection RowIndex = selRows[selRows.Count - 1].Index; //The following call results in selRows being cleared and only 1 row being //selected _dataGrid.CurrentCell = _dataGrid.Rows[RowIndex].Cells[0]; } but it does not do what I need. Any suggestions would be greatly appreciated. Thanks Mauro Ciaccio Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - ToolStrip problem Ok,i have a ToolStrip control and have a buttons on it,when i click on the one of the buttons at the runtime the cursor starts blinking.How to fix that Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - C# - ListView Hi... In my ListView code i have 10 rows & 10 columns. I want to search 1 word say "Search" in a perticular column(& all rows) & then if i have that word in that column then only i have to select that perticu;lar row or else i have to delete that row from completely ListView . (e.g. I am searching for word "search" in column 5 & i found that word in row no. 1 , 3 , 5 , 7 then on my form i have to display only 1 , 3 , 5 , 7 rows of that ListView) How i can do this in C#... Thanks , Vinay Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - How to catch the event when user clicking outside of a dialog box Hi there, I have a MainForm opens a child form as dialog box (eg: ShowDialog() ). If user click anywhere outside the dialog box, I would like to catch that event and close the dialog box. Anyone knows how to do it Your help will be very appreciated. BR, L Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - need help with Datagrid's Captiontext hi, I want the captiontext of my datagrid to display the data of the cell I selected, I tried alot of ways and search throughout the Internet but no avail. My project was passed down and the older version is able to display the selected cell's data into the captiontext of the datagrid, but its done by configuring the properties of the datagrid in design view instead of coding. Can this be done by coding I am truly grateful for your help P.S.: Its my first time here, so if I had posted the topic onto the wrong forum, please forgive me! >.< Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Typed dataset memory leak or mistake made in programming? Hi there. I'm currently working in a system that uses typed datasets to represent business entities. We have quite a few batch jobs that are intended to run at certain times during a day. Some of these batch jobs are handling quite a lot of data and are running for more than 24 hours at a time. The problem is that we run out of memory from time to time. It seems to be related to how the CLR handles typed datasets. I have made a small app to reproduce the behaviour. I'm running the test app in VB.Net 2.0 on a Windows XP x86 machine (3GHz, 2,5 GB RAM) . The test app is a simple console application that iterates 20 times. Each iteration does 1000 Threadpool.QueueWorkItem. Each workitem loads 3 typed datasets with approx 70kB XML-data each and then does a dataSet.Copy on each of the 3 datasets (just to emulate some memory consumption) and then does a Thread.Sleep(200) to simulate some execution waiting time. gcServer is set to "true" to run server garbage collection. When I run the app and look at some perfmon counters i see the following: (.Net CLR Memory) # GC Handles are increasing linearly and never decreases. # Bytes in all heaps are increasing and have a few "dips" during GC but the overall trend is an increase. Gen 0 heap size are fairly stable Gen 1 heap size are fairly stable Gen 2 heap size are increasing and have a few "dips" during GC but the overall trend is an increase. (Process) Private bytes are slowly increasing and never decreases When I replace the typed datasets with untyped ones, the picture is totally different. (.Net CLR Memory) # GC Handles bumps up at each iteration (when queueing the workitems) and decreases as each workitem is done (as it should be). # Bytes in all heaps are fairly stable. Gen 0 heap size are fairly stable Gen 1 heap size are fairly stable Gen 2 heap size are fairly stable (Process) Private bytes are fairly stable Any ideas Regards Patrik Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - How to add Merge Module Install Condition ? Hi, I am facing problem on Merge Module Install Condition. there is no property to set Merge Module Install Condition. In my installation i have put two selection box. 1. server 2. client If user select server then only installer should install merge module. But here merge module is also install for client. I can put condition for other files and its works fine but I am facing problem in merge module Need help please. Thanks Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Read and write *.csv File How can i read *.csv file and import data in database also read data from database and write in *.csv file Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - DataGridView Combobox Refresh/Update - VB.NET 2.0 I have an unbound datagridview with three comboboxes (e.g. A, B, C) All three comboboxes share the same datasource and use the same valuemember. If I change the value of say combobox A, then B and C change also. My problem is that B and C do not show the update until after I click off of combobox A. I want B and C to update as soon as I make the selection on A. How do I do this Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - MonthCalendar control set DisplayRange Hi, Can anyone please let me know how to set the DisplayRange of the MonthCalendar control of .NET 2.0. There is a method MonthCalendar.GetDisplayRange(bool) but am not able to find a way to set the DisplayRange. Best Regards, Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Access to VB.NET 2005 treeview growing pains I'm an Access programmer trying to move my VBA programs over to VB.NET 2005 and I'm having trouble learning the new controls. In Access I have a treeview control populated from a SQL table at run time. My database looks like this: ID Name Hierarchy Parent 2 Laser Printing 1 0 3 Cut Sheet Simplex 2 2 4 Cut Sheet Duplex 2 2 5 Continuous 2 2 6 Ink Jet Addressing 1 0 9 Self Mailers 2 6 10 2-24 pp 3 9 11 26-60 pp 3 9 12 60 pp+ 3 9 The sample data above shows 2 root nodes (ID 2 and 6), with every other node being a child of something else. The parent field corresponds to the ID of that node's parent. In Access, it's really easy to polulate this data in a treeview. I created a ADO connection and loaded the table into a recordset called "rsService" and then looped through each record like this: Do Until rsService.EOF If rsService.Fields("Hierarchy") = 1 Then tvwServices.Nodes.Add Key:="S" & rsService.Fields("ID"), _ Text:=rsService.Fields("Name") Else tvwServices.Nodes.Add Key:="S" & rsService.Fields("ID"), _ Text:=rsService.Fields("Name"), _ Relative:="S" & rsService.Fields("Parent"), _ Relationship:=tvwChild End If rsService.MoveNext Loop The key here is the "Relative" argument. In Access I can specify what node will be the parent. From all the help files and forums I've read so far, it seems that VB.NET looks at things the other way around. Where when you add a node, you specify the children rather than the parent. Is there an easy way to populate a treeview control in VB.NET 2005 without completely re-organizing my data Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - About MouseMove message UseCase1: - Press mouse left button on windows form control - Don't move mouse and release the left button The mouse message will be "WM_MouseDown", "WM_MouseUP", "WM_MouseCaptureChanged" and "WM_MouseMove" Why does control receive the last receive message UseCase2: - Write a custom control inherit from system control - Override WndProc function, adn write the following code: public class MyControl2 : Control { protected override void WndProc(ref Message m) { //WM_LButtonUp message if (m.Msg == 0x202) { return; } base.WndProc(ref m); } } - Repeat the action in usecase1 the mouse message will be "WM_MouseDown", "WM_MouseUP", Why does the last MouseMove message disappaer Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Data Grid results dissapear when Master Table is Filtered Newbie. I have a Master table [Current_Jobs] displayed in windows form Details format. On the same form I have the table [DeliveryDates] displayed as a data Grid View. Everything works nicely I have a "search" button that filters data results of [current_jobs] When I run the search the Master table is filtered fine but all the child datagridview results dissappear. I assume it's because I need to bind the datagridview control to a differnt source.. need help please!! Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Using a link in a datagrid view. Hello All! I have a datagrid in my windows form, working in vb.net. I made the "First Name" a label link. What I would like to do is the same thing I can do in a web application. Click on the link, and the details of that record fill another small datagrid in the second form. Can sombody show me a sample or point me in a direction on how I can do this in a windows form. Thanks! Rudy Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - How can I get Select EventHandler for ToolStripMenuItem How can I get Select EventHandler for ToolStripMenuItem as I we can get Select EventHandler for MenuItem In Case of MenuItem: MenuItem mi = new MenuItem("File"); mi.Select +=new EventHandler(mi_Select); In Case of ToolStripMenuItem: ToolStripMenuItem tsmi = new ToolStripMenuItem("File"); Tsmi. What should I do Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Checkedlistbox event to update a label Basically i am trying to find something like "checked state changed" event, but cant seem to find it. Here what im trying to do, its pretty simple. I have a checkedlistbox that creates a byte. []bit1 []bit2 []bit3 []bit4 . . . I want to create a label that displays the value of the byte based on the selected items on that list. I tried using the "SelectedIndexChanged" event, that calls a method called updateCommandByte. Code: private byte updateCommandByte() { byte bVal = 0; for (int i = 0; i < commandByteCListBox.Items.Count; i++) { if (commandByteCListBox.GetItemChecked(i)) { bVal = (byte)(bVal + Math.Pow(2, i)); //dFormatLabel1.Text = "Decimal Format: " + bVal.ToString(); CheckSumLabel.Text = "Binary Format: " + Convert.ToString(bVal); } //hFormatLabel1.Text = "Hex Format: " + bVal.ToString("X2"); } return bVal; } his somewhat works, but ONLY if the SelectedIndexChanged event is raised. In other words, if my mouse dont move and i keep toggling the same checkbox on/off, the event doenst get raised. I need a way to call that method everytime the checkstatus of ANY box is changed. I also tried the Item_Check event but the problem with it, is that it seems the raise the event BEFORE the actual box is checked. SO when i check it the first time, nothing happens ( in debug mode, the IF condition evaluates to false ). But i uncheck it and check it again, now it evaluates to true. Im really confused Help Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - OnCellPainting problem in DataGridView Hi, Ive written a customised version of the Microsoft .net 2 DataGridView. I did this by inheriting the MS one and setting some features in the inherited one to make the style consistant throughtout my app (alternating line colors, single row selection by default, yada yada). I was asked to add icons to the row header (on the left of the grid) to symbolise the state of some of the data in the grid. I did this by overriding the OnCellPainting method. heres roughly how it looks (ive removed some of the different STATUSes as they all do effectively the same) override void OnCellPainting( DataGridViewCellPaintingEventArgs e) { e.Handled = false ; if ((e.ColumnIndex == -1) && (e.RowIndex > -1)) { e.Graphics.FillRectangle( new SolidBrush ( SystemColors .Control), e.CellBounds); e.Graphics.DrawRectangle( new Pen ( new SolidBrush (GridColor)), e.CellBounds); System.Drawing.Imaging. ImageAttributes imageAttribute = new System.Drawing.Imaging. ImageAttributes (); imageAttribute.SetColorKey( Color .Magenta, Color .Magenta, System.Drawing.Imaging. ColorAdjustType .Bitmap); Bitmap b = null ; if ( this [ "STATUS" , e.RowIndex].Value.ToString() == "WIP" ) b = Properties. Resource .WIP.ToBitmap(); if ( this [ "STATUS" , e.RowIndex].Value.ToString() == "QA REQUIRED" ) b = Properties. Resource .QAREQUIRED.ToBitmap(); if ( this [ "STATUS" , e.RowIndex].Value.ToString() == "PENDING" ) b = Properties. Resource .PENDING.ToBitmap(); if (b != null ) { e.Graphics.DrawImage(b, new System.Drawing. Rectangle (e.CellBounds.Left + 3, e.CellBounds.Top + 3, b.Size.Width, b.Size.Height), 0, 0, b.Width, b.Height, GraphicsUnit .Pixel, imageAttribute); e.Handled = true ; } } base.OnCellPainting(e); } Now this works absolultely fine, most of the time. However there is a single case where it doesnt work, and unfortunately it is on a remote PC and I cannot replicate the problem. The grid is embedded in 2 forms in my DLL. 1 form is called in 1 application, the other in another application. 2 forms are almost identical, and the grid was created by simply dropping it onto the form in both. In PCs with Intel 915GM graphics processors, it works fine in 1 app, but not in the other. On all other PCs Ive tested on (all of which have different graphics chips) the code runs fine in both apps. I dont think I'm doing anything too weird that should make it fail, but with the 1 graphics chipset the entire grid simply renders solid black, except for the 1st top left cell (Well, the 1st top left cell under the column headers). If Ive not been clear I can probably post some pictures somewhere if needbe. The end user has tried updating the system to use the latest WHQL drivers to no avail. As I say, it renders fine in 1 app, but not in another, despite being created the exact same way and using the exact same control. Is there any other way of accomplishing what I need to do in another way All i need to do is render a small 16x16 icon to the leftmost cell for a given row. Can anyone see anything obviously wrong with the above code that might make it fail and therefore fail to render every cell after the 1st one is there any gotchas I should be aware of with using the OnCellPainting Any thougths on this strange situation would be extremely good. Regards Neil Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Timer problem with windows service Dear All, I have set a timer for my windows service. The problem is that when I start my windows service it writes to a file and I find that it just wrote once that is when the service starts. I set the interval to 10000 that is 10s. So what is the possible problem here any help please Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Icon.Save throws an error I am tring to save an icon from the from ( or just an icon in general ) using the Icon.Save method and i can not get this method to work correctly for me. Can someone point out to me how to use the Icon.Save method ---------------Error-------- Problem saving icon Error HRESULT E_FAIL has been returned from a call to a COM componet ----------------------------- if ( this .sfdIcon.ShowDialog() == DialogResult .OK) { try { using ( FileStream fs = File .Create( this .sfdIcon.FileName)) { //Our current icon is the icon on the form. this .Icon.Save(fs); fs.Flush(); } } catch ( Exception ex) { MessageBox .Show( "Problem saving icon" + Environment .NewLine + ex.Message); } finally { /*img.Dispose(); img = null;*/ } } Thanks, Erik Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Coloring TabControl. As far as I can see TabControl object has no properties of either Back or ForeColor. Is it possible to assign these properties to this object Another question: TabPage object does have both properties but when you assign a color to it it does not cover the whole TabPage: the tab itself remains gray. Is it possible to give it colors Many thanks. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Read resource text file Hello, I have embedded a couple of text file as resources in my vb 2005 project. These text files should be read and basically copied/pasted into a new text file that my code is creating. I have found on the forum and the library some information about the ResouceReader instruction, which seems to be what I need. However, I am still puzzled about its use. Could anyone give me some advices (or some useful links or code examples) about: - how to specify the name of the resource to be read, - how to read the whole file (GetEnumerator ), - how to use it with a StreamWriter Thank you in advance and sorry for the newbie question Sebastien Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Unknown Problem I'm getting some type of strange problem that I have never seen before. I have a textbox that is initially disabled on a form. Upon selecting a radio button, the textbox is enabled. I have set breakpoints in the code and can see where the textbox's enabed field is changed to true, but the textbox on the form is not enabled. When I select another radio button and enter a different breakpoint, I put the cursor over the textbox.Text and can see that it is actually set to true. I am having the exact same problem with a button on the same form. It's like all the data is being put in the correct fields, but the fields on the form are being updated. Any ideas Also, in trying to figure out what's going on, I've set the text property of the textbox to a know value. I've set up a button to change the value of the textbox upond a click event. When I click the button, the textbox.Text neither has the value that I initially set it to or displays the new value I've set it to. Thanks for any help. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - ClickOnce (3.5) - Including data file in runtime I have a number of XML files associated with each users of my website. I would like to include the XML files with the ClickOnce installation but need to include only the XML file relevant to the user currently logged on. I have a couple of options in mind, Find a way to determine the XML file at runtime and include in the installation (This would be great) Using the query string information to determine the user and download the xml file after the ClickOnce installation has been completed. Any ideas, work arounds, advices would be great. Thank you. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - ClickOnce quiet How can I install ClickOnce without any user interaction (quiet) Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - any one tried to make a schedule software? I am about to do a software for a medical comlex doctor and staff working schedule and I want to know if some one did a similar application..what componant most people use I am looking for a good and free or cheap control.. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - MenuStrip remains locked on the inherited form Hi, I derived a form that has a menu strip. I set the Modifiers option to Protected and also tried Public on the base form, but the menu strip remains locked after you inherited the form. How do I unlock the menu strip on the derived form Busyme Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - System.Windows.Forms.PrintDialog doesn't respond to first time click. Hi. I have a new window application that allow user to print according to their needs. Friend WithEvents prnPrintbot As System.Windows.Forms. With prnPrintbot .AllowCurrentPage = True .AllowSomePages = True End With If prnPrintbot.ShowDialog(Me) = DialogResult.OK Then Dim intStartPage As Integer, intEndPage As Integer, i As Integer Select Case prnPrintbot.PrinterSettings.PrintRange End Select For i = intStartPage To intEndPage webBackgroundPrint.Navigate(url) webBackgroundPrint.Print() Next End If Unfortunately, when the print dialog box showed, it doesn't repond to the first mouse click. Meaning it would only respond on the second click for all available button in the dialog box. Please help. Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - ClickOnce deployment and Dotfuscator Dear All, I am using the VS.NET 2005 and I would like to use the clickonce deployment. I would like obfuscate the exe file before publishing the deployment package to web server. I was trying the PreBuild and PostBuild events in the project property to obfuscate the executable file but the clickonce doesn't use obfuscated exe file at all. Could anyone advise on how to obfuscate the exe file before publishing the project into webserver please Regards, LG Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms
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    - Automatic update of label text bound to a class property updated by another thread Hi, I'm having troubles with a data binding between a label text and a class property. I have a class like this: public ref class TestClass : public INotifyPropertyChanged { public: virtual event PropertyChangedEventHandler ^PropertyChanged { void add(PropertyChangedEventHandler^ value) { this->propertyChanged += value; } void remove(PropertyChangedEventHandler^ value) { this->propertyChanged -= value; } }; virtual void NotifyPropertyChanged(String ^info) override { propertyChanged(this, gcnew PropertyChangedEventArgs(info)); }; property unsigned int ToW { void set(unsigned int tow_){ tow = tow_; NotifyPropertyChanged("ToW"); } unsigned int get() { return tow; } }; private: unsigned int tow; event PropertyChangedEventHandler ^propertyChanged; }; And I have a window where I have label which I want it to be automatically updated as the property "ToW" in the class above is changed. So I define the following databinding: this->labelToW->DataBindings->Add(gcnew Binding("Text", testClass, "ToW")); "testClass" is an instance of TestClass. However, when I update the "ToW" property, the label doesn't get updated and I get an error like this: "Cross-thread operation not valid: Control 'labelToW' accessed from a thread other than the thread it was created on." I guess the problem is that ToW property is updated by another thread I run to listen to a socket. Is there any workaround to this problem Am I missing something Thanks, Spulit Tag: Windows Forms Data Controls and Databinding Rowediting does not work? Windows Forms

Schliff

Hi there,

I am not sure if I am right within this forum but it's worth a try:

I try to build a GridView and receive the data from SQL Server 2005 - if I implement the source within the .aspx-file it works fine to make the rows able to be edited (

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ACUConnectionString %>"
SelectCommand="SELECT * FROM [Access_level]">
</asp:SqlDataSource>

But if I try to implement the datasource within the pageload nothing happens on a edit-click.

Therefore I implemented an event onRowEditing but now I do not know how I make the fields editable

Hopefully you know a solution (and much more hopefully this forum is a good one to answer things like that....

Regards,
Jochen

Re: Windows Forms Data Controls and Databinding Rowediting does not work?

Schliff

Okay, as often the answer was simple (maybe my question was paraphrased too complicated ):

just set the DataSourceID on "" (GridView.DataSourceID = ""). That helped ;-)

Regards,
Jochen

Re: Windows Forms Data Controls and Databinding Rowediting does not work?

Zhi-Xin Ye - MSFT

Hi, Schliff

Nice to see your question solved. Moreover, for ASP.NET questions, I recommend you to post them at the ASP.NET Forum to get better responses.

Best Regards.

Ye

Re: Windows Forms Data Controls and Databinding Rowediting does not work?

Schliff

Ah, I see - that makes sense ;-)

Thanks.