del.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class del : System.Web.UI.Page
{
    WebService webService = new WebService();
    SqlConnection sqlcon;
    string strCon = ConfigurationManager.ConnectionStrings["SqlConn"].ToString();
    protected void Page_Load(object sender, EventArgs e)
    {
        string delsql1 = "delete  from  j_ddnr ";
        webService.ExcuteSql(delsql1);
        string delsql2 = "delete  from  j_dd";
        webService.ExcuteSql(delsql2);
        string delsql3 = "delete  from  j_dd_nr ";
        webService.ExcuteSql(delsql3);
        string delsql4 = "delete  from j_book ";
        webService.ExcuteSql(delsql4);

    }
}