Manage/chanpinManage.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 Manage_chanpinManage : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    Alert js = new Alert();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GetDate();
        }
    }
    private void GetDate()
    {
        try
        {
            string strsql = "select * from chanpin where 1>0";
            if (this.bianma.Text != "") 
            {
                strsql += " and bianma='" + this.bianma.Text + "'";
            }
            if (this.mingcheng.Text != "") 
            {
                strsql += " and mingcheng like '%" + this.mingcheng.Text + "%'";
            }
            DataSet dr = data.GetDs(strsql, "ds");
            gvInfo.DataSource = dr;
            gvInfo.DataBind();
        }
        catch
        {

        }
    }
    protected void gvInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gvInfo.PageIndex = e.NewPageIndex;
        GetDate();
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        string id = gvInfo.DataKeys[e.NewEditIndex].Value.ToString();
        Response.Redirect("chanpinUpdate.aspx?id=" + id + "");
    }
    protected void gvInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string id = gvInfo.DataKeys[e.RowIndex].Value.ToString();
        string strsql = "delete from chanpin where ID=" + id + "";
        data.ReturnSql(strsql);
        Alert.AlertAndRedirect("删除成功", "chanpinManage.aspx");
    }
    protected void gvInfo_RowDataBound(object sender, GridViewRowEventArgs e)
    {