selcourse.aspx.cs

来自「数据库课程设计」· CS 代码 · 共 94 行

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 web
{
	/// <summary>
	/// selCourse 的摘要说明。
	/// </summary>
	public class selCourse : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.RadioButtonList rbtn_type;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button btn_select;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面

		}

		#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.btn_select.Click += new System.EventHandler(this.btn_select_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btn_select_Click(object sender, System.EventArgs e)
		{
			if (rbtn_type.Items[0].Selected)
			{
				//TextBox1.Enabled = true;
				//TextBox2.Enabled = false;

				SqlConnection conn = new SqlConnection("User ID=sa;Initial Catalog=data;Data Source=USER10"); 
				conn.Open();

				SqlDataAdapter sda = new SqlDataAdapter();
				sda.SelectCommand = new SqlCommand("select * from course where cname = '"+TextBox1.Text+"'", conn);
				DataSet ds = new DataSet();
				sda.Fill(ds, "selCourse");

				DataGrid1.DataSource = ds.Tables["selCourse"];
				DataGrid1.DataBind();
			}

			if (rbtn_type.Items[1].Selected)
			{
				//TextBox2.Enabled = true;
				//TextBox1.Enabled = false;
				
				SqlConnection conn = new SqlConnection("User ID=sa;Initial Catalog=data;Data Source=USER10"); 
				conn.Open();

				SqlDataAdapter sda = new SqlDataAdapter();
				sda.SelectCommand = new SqlCommand("select * from course where cid = '"+TextBox2.Text+"'", conn);
				DataSet ds = new DataSet();
				sda.Fill(ds, "selCourse2");

				DataGrid1.DataSource = ds.Tables["selCourse2"];
				DataGrid1.DataBind();
			}
		}
	}
}