recordeditmodule.ascx.cs

《C#数据库项目案例导航》一书的配套光盘

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>
	///		RecordEditModule 的摘要说明。
	/// </summary>
	public class RecordEditModule : ModuleBase
	{
		protected System.Web.UI.WebControls.Label CreateLabel;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.Label NowTimeLabel;
		protected System.Web.UI.WebControls.TextBox ClientIdTextbox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.TextBox CNameTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator4;
		protected System.Web.UI.WebControls.TextBox PhoneTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator7;
		protected System.Web.UI.WebControls.DropDownList LevelList;
		protected System.Web.UI.WebControls.CustomValidator LevelCustomvalidator;
		protected System.Web.UI.WebControls.TextBox RDetailsTextBox;
		protected System.Web.UI.WebControls.DropDownList StatusList;
		protected System.Web.UI.WebControls.CustomValidator StatusCustomvalidator;
		protected System.Web.UI.WebControls.TextBox FinishDateTextbox;
		protected System.Web.UI.WebControls.TextBox RemarksTextBox;
		protected System.Web.UI.WebControls.RadioButtonList ResearchList;
		protected System.Web.UI.WebControls.RequiredFieldValidator Requiredfieldvalidator2;
		protected System.Web.UI.WebControls.TextBox LogPersonTextbox;
		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;
		protected System.Web.UI.WebControls.Label RecordIdLabel;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{	
				//显示记录序号信息
				RecordIdLabel.Text=Request.QueryString ["RecordId"].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 ();
				//利用Command对象调用存储过程
				SqlCommand mycommand=new SqlCommand("sp_GetRecordById",Conn);
				//将命令类型转为存储类型
				mycommand.CommandType =CommandType.StoredProcedure ;
				mycommand.Parameters .Add ("@RecordId",SqlDbType.Int);
				mycommand.Parameters ["@RecordID"].Value = int.Parse(RecordIdLabel.Text);
				SqlDataReader dr=mycommand.ExecuteReader ();
				if(dr.Read ())
				{
					ClientIdTextbox.Text=dr["ClientName"].ToString();
                    CNameTextBox.Text=dr["CPerson"].ToString();
                    PhoneTextBox.Text=dr["CTel"].ToString();
					LevelList.SelectedIndex=int.Parse(dr["RLevel"].ToString());
					RDetailsTextBox.Text=dr["RDetails"].ToString();
					StatusList.SelectedIndex=int.Parse(dr["RStatus"].ToString());
                    LogPersonTextbox.Text=dr["LogPerson"].ToString();
                    NowTimeLabel.Text=dr["CreateDate"].ToString();
					FinishDateTextbox.Text=dr["FinishDate"].ToString();
					RemarksTextBox.Text =dr["Remarks"].ToString();
				    ResearchList.SelectedIndex=int.Parse(dr["IsResearch"].ToString());
				}
				//关闭Conn
				Conn.Close();
			}
		}

		//检验严重级别列表框是否填写
		public void LevelNotNullValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			if(LevelList.SelectedIndex==0)
			{
				args.IsValid =false;//未填写
			}
			else
			{
				args.IsValid =true;//已填写
			}
		}
		//检验状态列表框是否填写
		public void StatusNotNullValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			if(StatusList.SelectedIndex==0)
			{
				args.IsValid =false;//未填写
			}
			else
			{
				args.IsValid =true;//已填写
			}
		}

		#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 Records set RDetails=@RDetails,RLevel=@RLevel,RStatus=@RStatus,"+
                                 " ClientName=@ClientName,CPerson=@CPerson,CTel=@CTel,LogPerson=@LogPerson,"+
                                 " FinishDate=@FinishDate,IsResearch=@IsResearch,"+
                                 " Remarks=@Remarks where RecordId = @RecordId";
				//利用Command对象调用updatesql
				SqlCommand mycommand=new SqlCommand (updatesql,Conn);
				//往存储过程中添加参数
             	mycommand.Parameters .Add ("@RecordId",SqlDbType.Int);
				mycommand.Parameters .Add ("@ClientName",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@CPerson",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@CTel",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@RLevel",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@RDetails",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@RStatus",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@LogPerson",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@FinishDate",SqlDbType.DateTime);
				mycommand.Parameters .Add ("@Remarks",SqlDbType.NVarChar);
				mycommand.Parameters .Add ("@IsResearch",SqlDbType.Int);
				//给存储过程的参数赋值
                mycommand.Parameters ["@RecordId"].Value =RecordIdLabel.Text.Trim();
				mycommand.Parameters ["@ClientName"].Value =ClientIdTextbox.Text.Trim();
				mycommand.Parameters ["@CPerson"].Value = CNameTextBox.Text.Trim();
				mycommand.Parameters ["@CTel"].Value =PhoneTextBox.Text.Trim();
				mycommand.Parameters ["@RLevel"].Value =LevelList.SelectedIndex;
				mycommand.Parameters ["@RDetails"].Value =RDetailsTextBox.Text.Trim();
				mycommand.Parameters ["@RStatus"].Value =StatusList.SelectedIndex;
				mycommand.Parameters ["@LogPerson"].Value =LogPersonTextbox.Text.Trim();
				mycommand.Parameters ["@FinishDate"].Value =FinishDateTextbox.Text;
				mycommand.Parameters ["@Remarks"].Value =RemarksTextBox.Text.Trim();  
				mycommand.Parameters ["@IsResearch"].Value =ResearchList.SelectedIndex; 
				try
				{
					mycommand.ExecuteNonQuery();
					ShowMsg.Text="客户记录修改成功";
					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();
			}
		}
	}
}