Validating datagridview

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For more information about how to handle events, see Handling and Raising Events. Handle the Cell Validated event to perform post-validation processing.I need to enforce cell validations on the datagridview cells so that it does not accept negative values.I found a suitable code for it from the msdn library.It generates an error message when i type in the name of the item.The rest of the cell validations are perfectly working!The C# code snippet will enable the data cell validation in a textbox column for entering only none empty strings, which will disable the data validation and display the error indicator at the row header.

This is when row validation takes place and the default Error Dialog with the specified error text is invoked.Click Yes and then hover over error icons to see error messages specified for individual columns.The Kettic Data Grid View allows users of the control easily validate data grid cells when data is committed to the data source.For a complete explanation of this code example, see Walkthrough: Validating Data in the Windows Forms Data Grid View Control. Form Private With Events data Grid View1 As New Data Grid View() Private binding Source1 As New Binding Source() Public Sub New() ' Initialize the form.

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