Datagridviewrow Set Error
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Datagridview Row Error Icon Not Showing
We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. datagridview cell errortext System.Windows.Forms DataGridViewRow Class DataGridViewRow Properties DataGridViewRow Properties ErrorText Property ErrorText Property ErrorText Property AccessibilityObject Property Cells Property ContextMenuStrip Property DataBoundItem Property DefaultCellStyle Property Displayed Property DividerHeight Property ErrorText
C# Datagridview Show Error Text
Property Frozen Property HeaderCell Property Height Property InheritedStyle Property IsNewRow Property MinimumHeight Property ReadOnly Property Resizable Property Selected Property State Property Visible Property TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. DataGridViewRow.ErrorText Property .NET Framework datagridview row error text (current version) Other Versions Visual Studio 2010 .NET Framework 4 Visual Studio 2008 .NET Framework 3.5 .NET Framework 3.0 .NET Framework 2.0 Gets or sets the error message text for row-level errors.Namespace: System.Windows.FormsAssembly: System.Windows.Forms (in System.Windows.Forms.dll)Syntax C#C++F#VB Copy public string ErrorText { get; set; } Property Value Type: System.StringA String containing the error message.Exceptions Exception Condition InvalidOperationExceptionWhen getting the value of this property, the row is a shared row in a DataGridView control.RemarksUse this property to provide an error message for row-level errors. The specified message is displayed in a ToolTip when the user moves the mouse pointer over the error icon shown in the row header.Starting with the .NET Framework 4.5.2, the error icon is resized according to the system DPI setting when the app.config file contains the following entry: Copy
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 about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Forcing ErrorText to show https://msdn.microsoft.com/en-us/library/system.windows.forms.datagridviewrow.errortext(v=vs.110).aspx in a DataGridView up vote 1 down vote favorite I've Googled and Googled for this already...When my application starts, it loads a config file and displays its contents in a DataGridView - including errors found in the config file. So when my method Main() exits, here are some key values: dgv.Rows[0].Cells[3].ErrorText contains "Only alpha-numeric characters allowed" dgv.Visible is False dgv.Rows[0].Cells[3].IsInEditMode is False Here's the pertinent http://stackoverflow.com/questions/31750507/forcing-errortext-to-show-in-a-datagridview code: public Main() { InitializeComponent(); dgvStationConfiguration.DataSource = FileReaderWriter.GetStationsFromConfigFile(); StationConfigurationValidator.ValidateAllCellsAndSetAllErrorMessages(dgvStationConfiguration); } and public static bool ValidateAllCellsAndSetAllErrorMessages(DataGridView dgv) { bool areAllCellsValid = true; foreach (DataGridViewRow row in dgv.Rows) { foreach (DataGridViewCell cell in row.Cells) { bool isCellValid = ValidateCellAndSetErrorMessage(cell); // validate all cells in order to set their error text/glyphs; this flag is just to be able to return a summary if (isCellValid == false) { areAllCellsValid = false; } } } return areAllCellsValid; } and public static bool ValidateCellAndSetErrorMessage(DataGridViewCell cell) { string columnName = cell.OwningColumn.Name; string cellValue = cell.EditedFormattedValue.ToString(); cell.ErrorText = StationConfigurationValidator.GetCellErrorMessage(columnName, cellValue); return cell.ErrorText == string.Empty; } When the method completes and the user is shown the DataGridView, no red error glyphs are visible. If I click in and then out of that cell (namely [0][3]) - the glyph appears.I get the impression that the main problem is that when the ErrorText is set (in method Main) the the DataGridView is still not visible.I'm getting so desperate that I'm thinking of this incredible hack: have a timer go off in 10ms (to allow method Main to exit) to set the ErrorText - then disable (unhook) the timer. That's such a hack I can'
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the http://stackoverflow.com/questions/16717124/show-error-icon-in-datagridview workings and policies of this site About Us Learn more about Stack http://stackoverflow.com/questions/19476488/datagridview-throwing-exception-in-default-error-dialog-due-to-datagridviewimage Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join error text them; it only takes a minute: Sign up Show Error icon in Datagridview up vote 2 down vote favorite I 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 = datagridview row error "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 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.DataG
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 about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up DataGridView throwing Exception in Default Error Dialog due to DataGridViewImageColumn up vote 8 down vote favorite 1 I am putting this up because it took far too long to find the answer on the web and this is probably a common problem - it is the second time i have experienced it on my app. When a new row with a DataGridViewImageCell becomes visible, and it has no Default value set, my DataGridView throws the following Exception: The Following Exception occurred in the DataGridView: System.ArgumentException: Parameter is not valid. at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)" In my set up I create the DataGridViewImageColumns in Visual Studio Designer and then bind these columns to DataColumns in a DataTable by setting the DataPropertyName Properties of the DataGridViewImageColumns to match DataColumns of Type: byte[]. However, it still throws this Exception when the DataGridViewImageColumn in the new Row becomes visible. There are two workarounds that worked for me: Uncheck the "Enable Adding" option in the Designer - then add rows programmatically - using buttons etc. - I think this is what I did first time round. Handle the DataError Event of the DataGridView like this: private void dataGridView1_DataError(object sender, DataGridViewDataErrorEventArgs e) { if (dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value == DBNull.Value) { e.Cancel = true; } } That's the option I am going with for now but I'm not a fan of suppressing Exceptions and I can see the delay in the creation