Admin/productupdata.aspx.cs

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

public partial class Admin_productupdata : System.Web.UI.Page
{
    private SqlDataReader dataReader;
    private static string colname;
    private static int mark;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!checkadmin())
            Response.Redirect("../default.aspx");
        if (!IsPostBack)
        {
            dataReader = databaseAccess.ExecSql("select * from category");
            DropDownList1.DataSource=dataReader;
            DropDownList1.DataTextField="categoryname";
            DropDownList1.DataValueField="categoryID";
            DropDownList1.DataBind();
            dataReader.Close();
            GetProduct();
            GetProdetail();
        }

    }
    private bool checkadmin()
    {
        try
        {
            if (Request.Cookies["adminlogin"].Value.ToString() == "yekai")
                return true;
            else
                return false;
        }
        catch
        {
            return false;
        }
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        GetProduct();
    }
    private void getproductname(string categoryname)
    {
    }
    protected void DropDownList4_SelectedIndexChanged(object sender, EventArgs e)
    {
        GetProdetail();
    }