admin/products/buhuo.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

public partial class admin_products_buhuo : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            (Master.FindControl("Label1") as Label).Text = "商品补货";
            DataSet dstid = DbHelperSQL.Query("select tid,tname from productType");
            ddltid.DataSource = dstid;
            ddltid.DataTextField = "tname";
            ddltid.DataValueField = "tid";
            ddltid.DataBind();
            ddltid.Items.Insert(0, new ListItem("---全部---", ""));


            bind();
        }
    }

    /// <summary>
    /// 绑定
    /// </summary>
    private void bind()
    {
        string where = " where 1=1 ";

        if (txt_pname.Text != "")
        {
            where += " and pname like '%" + txt_pname.Text + "%' ";
        }

        if (ddltid.SelectedValue != "")
        {
            where += " and a.tid=" + ddltid.SelectedValue + "";
        }



        GridView1.DataSource = DbHelperSQL.Query("select a.*,b.tname from products a  left join productType b on a.tid=b.tid " + where + " order by pid desc");
        GridView1.DataBind();

    }

    /// <summary>
    /// 分页事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        bind();