finance.aspx.cs

图书馆管理信息系统设计 功能：图书的查询

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace Library_BS
{
	/// <summary>
	/// Finance 的摘要说明。
	/// </summary>
	public class Finance : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.Label lblBarCode;
		protected System.Web.UI.WebControls.Label lblReaderName;
		protected System.Web.UI.WebControls.DataGrid gridFinance;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			this.lblBarCode.Text=Request["RegistName"];
			this.lblReaderName.Text=Request["barcode"];
			string connStr="server=\'(local)\'; trusted_connection=true; database=\'Library\'";
			SqlConnection myConnection=new SqlConnection(connStr);
			myConnection.Open();
			//string w=Request["namei"].ToString();
			string queryStr="select FineMoney as 普通外借欠款 from Fines where UserBarCode='"+this.lblReaderName.Text+"'";
			SqlDataAdapter myDataAdapter=new SqlDataAdapter(queryStr,myConnection);
			DataSet myDataSet=new DataSet();
			myDataAdapter.Fill(myDataSet,"1");
			if (myDataSet.Tables["1"].Rows.Count>0)
			{
				//Label3.Text="所有借的图书现在历史信息：";
				gridFinance.DataSource=myDataSet.Tables["1"].DefaultView;
				gridFinance.DataBind();

			}
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}