st_course_student.aspx.cs

学生管理系统（asp.net+sql server）

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

namespace STGROUP
{
	/// <summary>
	/// ST_course_student 的摘要说明。
	/// </summary>
	public class ST_course_student : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox st_tbx_name;
		protected System.Web.UI.WebControls.TextBox st_tbx_id;
		protected System.Web.UI.WebControls.Button st_btn_search;
		protected System.Web.UI.WebControls.DataGrid st_dtg_course;
	    SqlConnection st_conn;
		protected System.Web.UI.WebControls.Label st_lbl_note;
		string st_sqlstr;
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			string st_connstr= ConfigurationSettings.AppSettings["st_dbconn"];
			st_conn=new SqlConnection(st_connstr);	
			if(!IsPostBack) 
				ST_BindGrid();
		}

		#region Web Form Designer generated code
		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.st_btn_search.Click += new System.EventHandler(this.st_btn_search_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	
		public void DataGrid_Page(object sender,DataGridPageChangedEventArgs e)
		{
			st_dtg_course.CurrentPageIndex=e.NewPageIndex;
			ST_BindGrid();
		}	
		public void ST_BindGrid()
		{
			st_sqlstr="select * from ST_course";
			SqlDataAdapter st_da=new SqlDataAdapter(st_sqlstr,st_conn);
			DataSet st_ds=new DataSet();
			st_da.Fill(st_ds);
			st_dtg_course.DataSource=st_ds;
			st_dtg_course.DataBind();
		}

		private void st_btn_search_Click(object sender, System.EventArgs e)
		{
			st_sqlstr="select * from ST_course  where ST_Course_id='"+st_tbx_id.Text+"'or ST_Course_name='"+st_tbx_name.Text+"'";
			SqlDataAdapter st_da=new SqlDataAdapter(st_sqlstr,st_conn);
			DataSet st_ds=new DataSet();
			st_da.Fill(st_ds);
			st_dtg_course.DataSource=st_ds;
			st_dtg_course.DataBind();
		}



	}
}