Display Error Icon Datagridview
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more datagridview row error icon about Stack Overflow the company Business Learn more about hiring developers or posting ads datagridview error text not showing with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack datagridviewcell.errortext not displayed Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Show Error icon in Datagridview up vote 2 down vote favorite I datagridview error icon not showing want to show the error text and icon on a datagridview specific cell when this event is fired private void dataGridView1_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) how can i do that? i tried the following: if (int.Parse(dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString()) > nbsstatus) dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].ErrorText = "Max Social Status is " + nbsstatus; e.cancel=true; c# asp.net share|improve this question edited May 23 '13 at 22:15 overloading 81431537 asked May 23 '13 at 14:49 user2404633 5128 add
Datagridview Cell Errortext
a comment| 1 Answer 1 active oldest votes up vote 1 down vote Showing column errors in DataGridViews is a bit quirky. In order for the error icon to appear in a cell, you cannot use e.Cancel = true since the icon is only displayed after the cell loses focus, which is prevented when e.Cancel is set for the cell. In order to work around this, the RowValidating event must cycle through all cells to determine if an error has been flagged and, if so e.Cancel = true must be set so the user cannot leave the current row until the error(s) have been resolved. The following VB (I do not have VS for C# for winforms to test with, but you can use one of the free VB to C# converters if you cannot read VB): Private Sub DataGridView1_CellBeginEdit(sender As Object, e As System.Windows.Forms.DataGridViewCellCancelEventArgs) Handles DataGridView1.CellBeginEdit Dim dgv As DataGridView = sender dgv.Rows(e.RowIndex).Cells(e.ColumnIndex).ErrorText = "" dgv.Rows(e.RowIndex).ErrorText = "" End Sub Private Sub DataGridView1_CellValidating(sender As Object, e As System.Windows.Forms.DataGridViewCellValidatingEventArgs) Handles DataGridView1.CellValidating Dim dgv As DataGridView = sender ' these edits are for illustration purposes only Select Case e.ColumnIndex Case 0 If e.FormattedValue = "NO" Then dgv.Rows(e.RowIndex).Cells(e.ColumnIndex).ErrorText = "No - Column Error Message" dgv.Rows(e.RowIndex).ErrorText = Dat
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not showing If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to http://www.vbforums.com/showthread.php?563947-RESOLVED-cell-error-icon-tooltip-not-showing register before you can post: click the register link above to proceed. http://www.codeproject.com/Questions/749883/Change-datagridview-cell-error-icon To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 6 of 6 Thread: [RESOLVED] cell error icon, tooltip not showing Tweet Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to error icon Threaded Mode Apr 1st, 2009,10:15 AM #1 vegeta4ss View Profile View Forum Posts Visit Homepage Thread Starter Lively Member Join Date Mar 2008 Location Charlotte, NC USA Posts 70 [RESOLVED] cell error icon, tooltip not showing I am working on implementing cell level error indication in my app and I have it set up to where it shows the error icon display error icon correctly and I tried using the datagridview FAQ sample code to show an errortooltip as well. I can watch as I set the errortooltip to have the proper data and display control (in mousemove event), yet the second I finish my mousemove event it fires the mouseleave event and resets my tooltip before the user ever has a chance to see it. I wonder what I have incorrectly done? Here's my code: Code: ' show and hide the tooltip for error Private Sub ChuteSinglesDataGridView_CellMouseMove(ByVal sender As Object, ByVal e As DataGridViewCellMouseEventArgs) Handles ChuteSinglesDataGridView.CellMouseMove If cellInError.X = e.ColumnIndex AndAlso cellInError.Y = e.RowIndex Then Dim cell As DataGridViewCell = ChuteSinglesDataGridView(e.ColumnIndex, e.RowIndex) If cell.ErrorText <> String.Empty Then If (Not errorTooltip.Active) Then errorTooltip.Show(cell.ErrorText, ChuteSinglesDataGridView, 2000) End If errorTooltip.Active = True End If End If End Sub Private Sub ChuteSinglesDataGridView_CellMouseLeave(ByVal sender As Object, ByVal e As DataGridViewCellEventArgs) Handles ChuteSinglesDataGridView.CellMouseLeave If cellInError.X = e.ColumnIndex AndAlso cellInError.Y = e.RowIndex Then If errorTooltip.Active Then errorTooltip.Hide(ChuteSinglesDataGridView) errorTooltip.Active = False End If End If End Sub Reply With Quote Apr 2nd, 2009,10:44 PM #2 vegeta4ss View Profile View Forum Posts Visit Homepag
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