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Out of these events Row Updating and Row Deleting are possibly the most common ones.
Set the Control To Validate property of Required Field Validator control to Text Box1 (i.e. Also, set its Error Message property to "Please enter company name".
Note that by default all validation controls validate on the client side.
NET 2.0 Grid View control allows us to quickly edit and delete records.
However, most of the real world cases call for validating the data being edited or deleted. Drag and drop an SQL Data Source control on the web form.
This way you can attach client side validation controls to the Grid View columns.
Let's proceed further by validating on the server side.Inside the event handler we added two validation conditions: We used the New Values collection to check the entered country.If the country is null then we set Cancel property of Grid View Update Event Args class to true.Enter the database details as per your setup and click on OK.On the next step select Customer ID, Company Name, Contact Name and Country columns (Figure 2).This will display the template designer for the column as shown in Figure 6.Tags: Adult Dating, affair dating, sex dating