murders from internet dating - Rowupdating event vb

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".

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This tells Grid View that the event handler should be cancelled.

The New Values collection is read/write collection and in the second if condition we set the Country to India. You will find that the data is not accepted by the Grid View.

We will use the Custom Validator control for this purpose.

Just like we attached the Required Field Validator control to the Text Box, attach a Custom Validator to the Contact Name column. If you run the web form and try entering wrong value in the Contact Name column then you will see the error message displayed as before and the value will not be accepted by the Grid View control.

This will convert them from Bound Field to Template Field.

Now from the smart tag of the Grid View choose "Edit Template" and then select "Edit Item Template" of Company Name column.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.Set the Control To Validate and Error message properties to the appropriate values. Up till now we used the validation controls to validate Grid View input on client and server side.Double click on the Custom Validator control to go into the Server Validate event handler and write the following code in it. However, at times you many need more control and flexibility than that is provided by validation controls.Out of these events Row Updating and Row Deleting are possibly the most common ones.

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