WareList.aspx.cs

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using System;
using System.Data;
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 _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlDataSource2.SelectParameters.Clear();
        string str = SqlDataSource2.SelectCommand + " where T_WareType.splb_TypeID = @splb_TypeID";
        Parameter Para1 = new Parameter("splb_TypeID");
        Para1.DefaultValue = DropDownList1.SelectedItem.Value;
        SqlDataSource2.SelectParameters.Add(Para1);
        if (TextBox1.Text != " ")
        {
            str += " and T_Ware.sp_WareName like '%' + @sp_WareName + '%'";
            SqlDataSource2.SelectParameters.Add("sp_WareName", TextBox1.Text);
        }
        GridView1.DataSourceID = null;
        SqlDataSource2.SelectCommand = str;
        GridView1.DataSourceID = "SqlDataSource2";
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Response.Redirect("WareShow.aspx");
    }
}