course_student.aspx.cs

基于C#语言的一个教务网数据库系统开发案例的源代码 ,很实用哦

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 sms
{
	/// <summary>
	/// course_student 的摘要说明。
	/// </summary>
	public partial class course_student : System.Web.UI.Page
	{
	  
		protected void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack) 
				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()
		{    

		}
		#endregion
	

		public void Bindgrid()
		{
			string strsql="select * from course";
            DataAccess DataAs = new DataAccess();
            DataTable DT = DataAs.CreateDatatable(strsql);
			GridView1.DataSource=DT;
            GridView1.DataBind();
		}

		protected void Btn_search_Click(object sender, System.EventArgs e)
		{
			string strsql="select * from course  where Course_id='"+Tbx_id.Text+"'or Course_name='"+Tbx_name.Text+"'";
            DataAccess DataAs = new DataAccess();
            DataTable DT = DataAs.CreateDatatable(strsql);
            GridView1.DataSource = DT;
            GridView1.DataBind();
		}

		protected void Btn_exit_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("query.aspx");
		}

		protected void Btn_information_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("query.aspx");
		
		}

		protected void Btn_see_Click(object sender, System.EventArgs e)
		{
		Response.Redirect("sortcourse.aspx");
		}

		protected void Btn_personnel_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("updatepwd.aspx");
		}

		protected void Btn_course_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("course_student.aspx");
		}

		protected void Btn_grade_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("grade_query.aspx");
		}

        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView1.PageIndex = e.NewPageIndex;
            Bindgrid();
        }
}
}