C# gridview update

It is useful when we are using a GridView to edit a database record. It displays a layout for the TemplateField. Eval: It is a method that is used to display data. In this method we pass a database field name as an argument and that database field is displayed by this. This method is used when we will edit a row record otherwise we can use the Bind method. Here we define the image type button so it can display an icon of the operation instead of their name.

We define a connection in the web. Now we access this connection string on the. We need to use two namespaces. The first one accesses the connection string and the other is for the SQL connection. 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 SqlConnection class constructor.

We create a method to get all employee details and bind the retrieved data with the employee grid. So first we need to use a namespace, as in: using System.

Data; Now create a method for get employee details. To populate the GridView we need to call this method on page load. 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 GridView.

We first of all create a Stored Procedure that gets the Id of an employee as a parameter from the GridView 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.

After that the GridView is rebound with new data. Update a Record To update a record in the GridView we need to perform the following three operations:.

According to the above, in these three operations we use three events of the GridView for each operation. Step Create a Database in SqlServer and create a table within this database. Here I have given this class named is GlobalClass and write the following line of code.

Step Now, save and build your application and execute. Your application output display as following. Now fill the data. Every control has validation for prohibited wrong input. After filling data, your GridView looking as following. Here I have inserted three records. Before deleting records, a confirmation alert message is a popup. Here I have deleted 3rd record e.

Andrew Daniel. After deleting record your GridView looks as following. Net using C. Share a Post. The following example demonstrates how to use the UpdateRow method to programmatically update a record in a GridView control. Use the UpdateRow method to programmatically update the record at the specified index in the data source. This method is commonly used when you need to update a record from outside of the GridView control, such as from a different control on the page.

This method can be called only for the row that is currently in edit mode, or for a row that contains a two-way data-bound input control.

For more information about two-way binding expressions, see Binding to Databases. To specify whether page validation is performed before the update operation, use the causesValidation parameter. Calling this method also raises the RowUpdated and RowUpdating events. Skip to main content.