addemp.aspx.cs

本目录提供了<<ASP.NET+SQL Server数据库开发与实例>>一书从第4到第11章实例的核心源程序、数据库文件。

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;
using System.Configuration;

namespace Emplog.main
{
	/// <summary>
	/// addemp 的摘要说明。
	/// </summary>
	public class addemp : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Tbx_id;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_id;
		protected System.Web.UI.WebControls.CustomValidator Cv_id;
		protected System.Web.UI.WebControls.TextBox Tbx_name;
		protected System.Web.UI.WebControls.TextBox Tbx_Email;
		protected System.Web.UI.WebControls.Button Btn_ok;
		protected System.Web.UI.WebControls.Button Btn_cancel;
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Web.UI.WebControls.TextBox mobile_tell;
		protected System.Web.UI.WebControls.DropDownList jb;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
		protected System.Web.UI.WebControls.DropDownList duty;
		protected System.Web.UI.WebControls.TextBox work_tell;
	    SqlConnection cn;
		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(Session["jb"].ToString()=="0")
			{
				string strconn=ConfigurationSettings.AppSettings["ConnectionString"];
			    cn=new SqlConnection(strconn);
			}
			else 
			{
				Response.Write ("您不是合法用户，请登入后再操作！");
				Response.Redirect("Error.aspx");
				Page.Response.End();
			}		
			
		}

		#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.Cv_id.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.Cv_id_ServerValidate);
			this.Btn_ok.Click += new System.EventHandler(this.Btn_ok_Click);
			this.Btn_cancel.Click += new System.EventHandler(this.Btn_cancel_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Btn_ok_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid)
			{
				SqlCommand cm=new SqlCommand("AddEmp",cn);
				cm.CommandType=CommandType.StoredProcedure;
				cm.Parameters.Add(new SqlParameter("@Emp_login",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@password",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@name",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@duty",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@Email",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@mobile_tell",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@work_tell",SqlDbType.VarChar,50));
				cm.Parameters.Add(new SqlParameter("@jb",SqlDbType.Int,4));
				cm.Parameters["@Emp_login"].Value=Tbx_id.Text;
				cm.Parameters["@password"].Value=Tbx_id.Text;
				cm.Parameters["@name"].Value=Tbx_name.Text;
				cm.Parameters["@duty"].Value=duty.SelectedItem.Value;
				cm.Parameters["@Email"].Value=Tbx_Email.Text;				
				cm.Parameters["@mobile_tell"].Value=mobile_tell.Text;
				cm.Parameters["@work_tell"].Value=work_tell.Text;
				cm.Parameters["@jb"].Value=jb.SelectedItem.Value;
				cm.Connection.Open();
				try
				{
					cm.ExecuteNonQuery();
					Response.Redirect("Emp.aspx");
				
				}
				catch(SqlException)
				{
					Lbl_note.Text="添加失败";
					Lbl_note.Style["color"]="red";
				}
				cm.Connection.Close();
			}
		}

		private void Btn_cancel_Click(object sender, System.EventArgs e)
		{
			Page.Response.Redirect("addemp.aspx");		
		}
		private void Cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			cn.Open();
			SqlCommand cm=new SqlCommand("select * from Emp where emp_login=@emp_login",cn);
			cm.Parameters.Add("@emp_login",SqlDbType.Char,10);
			cm.Parameters["@emp_login"].Value=Tbx_id.Text;
			SqlDataReader dr=cm.ExecuteReader();
			if(dr.Read())
			{
				args.IsValid=false;
			}
			else
			{
				args.IsValid=true;
			}
			cn.Close();
		}
	}
}