queryreadercardform.aspx.cs

基于C#和MYSQL的图书管理系统

//文件名：QueryReaderCardForm.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_QueryReaderCardForm : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string MyForbidString = Session["MyForbid"].ToString();
        if (MyForbidString.IndexOf("D5") > 1)
        {
            Server.Transfer("~/SystemManage/AllErrorHelp.aspx");
        }
    }
    private static string MySQL = "";
    private static string MyDate = "";
    protected void Button1_Click(object sender, EventArgs e)
    {//查询办证读者
        DataTable MyQueryTable = new System.Data.DataTable();
        SqlConnection MyConnection = new SqlConnection();
        MyConnection.ConnectionString = ConfigurationManager.ConnectionStrings["MyBooksDBConnectionString"].ConnectionString;
        MyConnection.Open();
        MySQL = "SELECT * FROM 有效读者视图 WHERE  (办证日期 BETWEEN '" + this.TextBox1.Text + "' AND '" + this.TextBox2.Text +
                      "') AND (读者性别 LIKE '%" +this.DropDownList1.SelectedValue.ToString() +
                      "%') AND (读者姓名 LIKE '%" + this.TextBox3.Text +
                      "%') AND (会员等级 LIKE '%" + this.DropDownList2.SelectedValue.ToString() + "%')";
        MyDate = "开始日期：" + this.TextBox1.Text + "  结束日期：" + this.TextBox2.Text;
        SqlDataAdapter MyAdapter = new SqlDataAdapter(MySQL, MyConnection);
        MyAdapter.Fill(MyQueryTable);
        this.GridView1.DataSource = MyQueryTable;
        this.GridView1.DataBind();
        if (MyConnection.State == ConnectionState.Open)
        {
            MyConnection.Close();
        }
    }
    public string MyPrintSQL
    {//设置要传递到打印页的数据
        get
        {
            return MySQL;
        }
    }
    public String MyPrintDate
    {//设置要传递到打印页的数据
        get
        {
            return MyDate;
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {//打印办证读者
        Server.Transfer("~/QueryManage/QueryReaderCardPrint.aspx");
    }
}