tree_operate_edit.aspx.cs

4个源代码 比较经典 适合CSharp初学者

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;

namespace tree
{
	/// <summary>
	/// tree_Operate_Edit 的摘要说明。
	/// </summary>
	public class tree_Operate_Edit : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lbl_Curnodeid;
		protected System.Web.UI.WebControls.ImageButton imgbtn_Add;
		protected System.Web.UI.WebControls.Label lbl_Error;
		protected System.Web.UI.WebControls.TextBox txt_Node_Name;
		protected System.Web.UI.WebControls.ImageButton imgbtn_Return;
		protected config conn=new config();
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if (!Page.IsPostBack)
			{
				string str_Sql="select * from t_tree where nodeid="+Request["nodeid"].ToString();
				conn.GetRowRecord(str_Sql);
				txt_Node_Name.Text=conn.dr["mytext"].ToString();
			}
		}

		#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.imgbtn_Return.Click += new System.Web.UI.ImageClickEventHandler(this.imgbtn_Return_Click);
			this.imgbtn_Add.Click += new System.Web.UI.ImageClickEventHandler(this.imgbtn_Add_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void imgbtn_Add_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			string str_Sql="select * from t_tree where nodeid="+Request["nodeid"].ToString();
			conn.BuilderEdit(str_Sql);
			conn.dr["mytext"]=txt_Node_Name.Text; // 节点名称
		    conn.myAdapter.Update(conn.ds); // 更新数据库
			Response.Redirect("tree_Operate.aspx?location="+Request["location"].ToString()+"&nodeid="+Request["nodeid"].ToString());
		}

		private void imgbtn_Return_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("tree_Operate.aspx?location="+Request["location"].ToString()+"&nodeid="+Request["nodeid"].ToString());
		}
	}
}