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You can validate down in the Control hierarchy by using the Validate and Validate Children method on container controls such as Forms.In order to capture errors in Data Set and Data Table objects, you need to query the Has Errors Boolean property to check if there are rows with errors.Hi, I'm using the cellvalidating event on a datagridview. I can’t seem to get my Validate The Entry() function to return a 0 if the entry is either “” or NULL or string. I only need to validate certain columns in the datagrid, I don’t need to validate the EAN or the description for instance and yet the column index don’t seem to be logical?
Setting this property to False allows the validation process to continue.In Windows Forms programming, validation is based around controls and events.