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29-Jul-2017 00:35

In this article we will look at how to update or delete a record in a database table using a Grid View control.

The Grid View control is a tabular databound control but sometimes it is used like a spreadsheet control. NET 2.0 and is an improved version of the Data Grid control. We can use this to display data from a database and edit, sort and select the data.

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).

Database Table Structure We are using an "EMPLOYEE" table so the "EMPLOYEE" table design is: Design of Grid View We design a Grid View with which we can perform update and delete operations.

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Now we define a method for opening a connection with the relation database and returns a SQL connection object depending on the connection string that is passed as a parameter of the Sql Connection class constructor. Email, Admin User FROM tbl User a INNER JOIN tbl Province B ON A. User ID = @User ID) AND (Delete = 0)" Insert Command="INSERT INTO tbl User(First Name, Last Name, User Name, Password, Birthdate, Address, Apt, City, Province, Postal Code, Email, Phone Num, yn Admin User, yn Delete) VALUES (@First Name, @Last Name, @User Name, @Password, @Birthdate, @Address, @Apt, @City, @Province, @Postal Code, @Email, @Phone Num, @yn Admin User, 0)" Update Command="UPDATE tbl User SET First Name = @First Name, Last Name = @Last Name, Birthdate = @Birthdate, Address = @Address, Apt = @Apt, City = @City, Province = @Province, Postal Code = @Postal Code, Phone Num = @Phone Num, Email = @Email, yn Admin User = @yn Admin User WHERE (User ID = @User ID)"it's throwing an exception because it's trying to pass NULL as the province parameter...which indicates that ddl Province. Delete a Record We can delete a record from the database table by clicking on the delete button that is in the Delete column of the Grid View.

We first of all create a Stored Procedure that gets the Id of an employee as a parameter from the Grid View on whichever row the user clicked. In this event, first we get the datakey value that is the id of an employee of whichever row the user clicked and that id is passed as a parameter to the Stored Procedure. According to the above, in these three operations we use three events of the Grid View for each operation.For example you could have the following code:to store the information. Finally the code is bound to the When the user selects a record from the grid, the selected row index will be passed through as the Command Argument.