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But we must always take care when such developer friendly control must be used. built in support for sorting, caching, paging or editing.Now these listed features are very much required, as we list data user may want to sort it or edit it and of course paging is also necessary to show large amount of data divided into pages.Now we access this connection string on the page so we can open a connection with the relation database. 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 Sql Connection class constructor.

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We define a connection in the web.config file and give a name to the connection string.We can't update a record until that record doesn't exist in the input type field (Text Box).So first we need to move to an updateable row record in the Text Box.We use the Row Updating event of Grid View to update the record in the database table.We get the Id value using the row index and another Text Box value is also retrieved.Suppose if we are trying to hide primary key of our table, there is actually no need to hide. In the above Snippet you are seeing a label in Item Template that means whenever we are showing Grid View to the user Label will be visible to the user. We will use Template Field, whenever we want to define some custom control in the data bound controls like Grid View, Data Grid or Data Repeater.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.Here we can update Name, Emp_Code and Emp_Age fields depending on the Id field of the "EMPLOYEE" table. Net Grid View control with simple Data Set or Data Table, and also explains the methods like Insert, Edit, Update and Delete function in the Grid Viewcontrol.to bind a Grid View control to the database with some Data Source controls such as SQLData Source, Object Data Source, Access Data Source and even XMLDatasource.In the template field I will Place a label or some controls, So that it’s very easy to access those controls in the code behind by using Find Control method. Item Template is the content to display for the items in the Template Field.

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