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Thursday, September 26, 2013

DataAdapter in Asp.Net




In this article we will discuss about what is a dataadapter in asp.net and how to use dataadapter in asp.net. Also you can check out my previous posts on: Adding meta tags to aspx pages in asp.net, Bind gridview using datareader in asp.net and Method Overloading in C#.Net.

DataAdapter will act as a mediator between dataset and database server. This will perform 2 things:

- It will read data from database and place within dataset in the form of datatables.

- The manipulation on the dataset table will be updated with database.

string conn = "You connection string will goes here";

string strSQL = "SELECT * FROM EMPLOYEES";

SqlConnection conn = new SqlConnection(conn);

SqlDataAdapter da = new SqlDataAdapter(strSQL, conn);

DataSet ds = new DataSet();

da.Fill(ds, "Employees");

Here Employees is the datatable name.

Check out the below diagram how it is working:




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