querygoodsform.aspx.cs

C# + MYSQL 课程设计 ASP.NET 2.0数据库开发《餐饮消费管理系统》功能完整

//文件名：QueryGoodsForm.aspx.cs
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;

using System.Data.SqlClient;
public partial class QueryManage_QueryGoodsForm : System.Web.UI.Page
{
    private static string MySQL = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        string MyForbidString = Session["MyForbid"].ToString();
        if (MyForbidString.IndexOf("D2") > 1)
        {
            Server.Transfer("~/SystemManage/AllErrorHelp.aspx");
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {//查询菜品信息
        string My菜品大类 = this.DropDownList1.SelectedValue.ToString();
        if (My菜品大类 == "所有")
            My菜品大类 = "%%";
        string My菜品小类 = this.DropDownList2.SelectedValue.ToString();
        if (My菜品小类 == "所有")
            My菜品小类 = "%%";
        string My菜品风味 = this.DropDownList3.SelectedValue.ToString();
        if (My菜品风味 == "所有")
            My菜品风味 = "%%";
        string My当前状态 = this.DropDownList4.SelectedValue.ToString();
        if (My当前状态 == "所有")
            My当前状态 = "%%";
        DataTable MyTable = new DataTable();
        MySQL = "SELECT * From 菜品信息 WHERE (菜品大类 LIKE '%" + My菜品大类 + "%')";
        MySQL += "AND (菜品小类 LIKE '%" + My菜品小类 + "%')";
        MySQL += "AND (菜品风味 LIKE '%" + My菜品风味 + "%')";
        MySQL += "AND (当前状态 LIKE '%" + My当前状态 + "%')";
        MySQL += "AND (菜品名称 LIKE '%" +this.TextBox5.Text + "%')";
        MySQL += "AND (计费单价 BETWEEN " + this.TextBox6.Text + " AND " + this.TextBox7.Text + ") ";
        String MySQLConnectionString = ConfigurationManager.ConnectionStrings["MyEateryDBConnectionString"].ConnectionString;
        SqlConnection MyConnection = new SqlConnection(MySQLConnectionString);
        MyConnection.Open();
        SqlDataAdapter MyAdatper = new SqlDataAdapter(MySQL, MyConnection);
        MyAdatper.Fill(MyTable);
        this.GridView1.DataSource = MyTable;
        this.GridView1.DataBind();
        if (MyConnection.State == ConnectionState.Open)
        {
            MyConnection.Close();
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {//打印菜品信息
        Server.Transfer("~/QueryManage/QueryGoodsPrint.aspx");
    }
    public string MyPrintSQL
    {//设置要传递到打印页的数据
        get
        {
            return MySQL;
        }
    }
}