Select Both Category and Customer tables Give Model Namespace and click on Finish. NET Gridview Footer row for inserting record, inbuilt way to edit and delete records.
NET 2.0 Grid View control allows us to quickly edit and delete records. Drag and drop an SQL Data Source control on the web form.
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This article explains how to perform insert, update and delete operations in ASP. Let us take an example to perform CRUD operations using Entity Framework Database First approach.
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.
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.
Suppose we’ve to work on Customer table having Category ID as foreign key.
Next Select your database and Set “Save Entity connection string in Web.config as” option true giving name Sample Entities.
Make Company Name blank and click on Update button. This way you can attach client side validation controls to the Grid View columns.
Let’s proceed further by validating on the server side.