usereditmodule.ascx.cs

这是企业客户服务系统 老师给的光盘里带的 看着不错

namespace KhfwWeb.Modules
{
	using System;
	using System.Data;
	using System.Data.SqlClient;
	using System.Configuration;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	/// <summary>
	///		UserEditModule 的摘要说明。
	/// </summary>
	public class UserEditModule : ModuleBase
	{
		protected System.Web.UI.WebControls.Label CreateLabel;
		protected System.Web.UI.WebControls.Label UserIdLabel;
		protected System.Web.UI.WebControls.TextBox NameTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator4;
		protected System.Web.UI.WebControls.RadioButtonList GenderList;
		protected System.Web.UI.WebControls.TextBox AddrTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator6;
		protected System.Web.UI.WebControls.TextBox PhoneTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator7;
		protected System.Web.UI.WebControls.DropDownList TypeList;
		protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;
		protected System.Web.UI.WebControls.Button Submit;
		protected System.Web.UI.WebControls.HyperLink Return;
		protected System.Web.UI.WebControls.Label ShowMsg;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{   
				//显示用户信息
				UserIdLabel.Text=Request.QueryString ["UserId"].ToString ();
				//从文件Web.config中读取连接字符串
				string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
				//连接JdglSys数据库
				SqlConnection Conn = new SqlConnection (sqldb);
				Conn.Open ();
				//定义sql语句
				String selsql="select Name,Gender,Address,Telephone,Type from UsersInfo where UserId = @UserId";
				//创建mycommand对象,调用selsql
				SqlCommand mycommand=new SqlCommand(selsql,Conn);
				mycommand.Parameters .Add ("@UserId",SqlDbType.Int);
				mycommand.Parameters ["@UserID"].Value = int.Parse(UserIdLabel.Text);
				SqlDataReader dr=mycommand.ExecuteReader ();
				if(dr.Read ())
				{
					NameTextBox.Text =dr["Name"].ToString ();
					GenderList.SelectedIndex =int.Parse(dr["Gender"].ToString());
					AddrTextBox.Text =dr["Address"].ToString ();
					PhoneTextBox.Text=dr["Telephone"].ToString ();
					TypeList.Items.FindByValue(dr["Type"].ToString ()).Selected =true;
				}
			}
		}

		#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.Submit.Click += new System.EventHandler(this.Submit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Submit_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid )
			{
				//从文件Web.config中读取连接字符串
				string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
				//连接JdglSys数据库
				SqlConnection Conn = new SqlConnection (sqldb);
				Conn.Open ();
				//定义sql语句
				String updatesql="update UsersInfo set Name= @Name,Gender=@Gender,Address= @Address,Telephone= @Telephone,Type=@Type where UserId = @UserId";
				//利用Command对象调用updatesql
				SqlCommand mycommand=new SqlCommand (updatesql,Conn);
				//添加参数
				mycommand.Parameters .Add ("@UserId",SqlDbType.Int);
				mycommand.Parameters .Add ("@Name",SqlDbType.VarChar);
				mycommand.Parameters .Add ("@Gender",SqlDbType.Int);
				mycommand.Parameters .Add ("@Address",SqlDbType.VarChar);
				mycommand.Parameters .Add ("@Telephone",SqlDbType.VarChar);
				mycommand.Parameters .Add ("@Type",SqlDbType.Int );
				//给存储过程的参数赋值
				mycommand.Parameters ["@UserId"].Value =UserIdLabel.Text;
				mycommand.Parameters ["@Name"].Value =NameTextBox.Text.Trim();
				mycommand.Parameters ["@Gender"].Value =GenderList.SelectedIndex;
				mycommand.Parameters ["@Address"].Value =AddrTextBox.Text.Trim();
				mycommand.Parameters ["@Telephone"].Value =PhoneTextBox.Text.Trim();
				mycommand.Parameters ["@Type"].Value =TypeList.SelectedItem .Value ;
				try
				{
					mycommand.ExecuteNonQuery();
					ShowMsg.Text="用户信息修改成功";
					ShowMsg.Style["color"]="green";}
				catch(SqlException error)
				{
					ShowMsg.Text="修改未成功，请稍后再试。原因："+error.Message;
					ShowMsg.Style["color"]="red";
				}
				//关闭连接
				Conn.Close();
			}
		}
	}
}