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There are two types of input validation available for the Windows Forms Data Grid control.
Page Protected Sub Page_Load(By Val sender As Object, By Val e As Event Args) label Response. Beginners and experts alike will find a great range of tutorials for all your ASP.
Text = "Date is not valid." End If End Sub Protected Sub Custom Validator1_Server Validate(By Val source As Object, By Val args As Server Validate Event Args) Try Date Time. NET tutorials that are easy to follow and simple to implement.
If the user attempts to enter a value that is of an unacceptable data type for the cell, for example a string into an integer, the new invalid value is replaced with the old value.
This kind of input validation is done automatically and cannot be customized.