I am new to visual studio 2010 and tring to insert data in database (sql server 2008 R2 based database ).
but when create a connestion class to code,I could'd got any namespace :
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
The cs page bydefault has following:
using System;
using System.Collections.Generic;
using System.Data;
using System.Configuration;
using System.Web;
Error while debug:
CS0246: The type or namespace name 'SqlConnection' could not be found (are you missing a using directive or an assembly reference?)
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