addclass.aspx.cs

基于C#语言的一个教务网数据库系统开发案例的源代码 ,很实用哦

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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.Configuration;

namespace sms
{
	/// <summary>
	/// addclass 的摘要说明。
	/// </summary>
	public partial class addclass : System.Web.UI.Page
	{
		protected 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 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.Cv_id.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.Cv_id_ServerValidate);

		}
		#endregion

		
		private void Cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			string strsql = "select * from class where Class_id='"+Tbx_id.Text+"'";
            DataAccess DataAs = new DataAccess();
            DataTable DT = DataAs.CreateDatatable(strsql);
            if (DT.Rows.Count > 0)
            {
                args.IsValid = false;
            }
            else
            {
                args.IsValid = true;
            }
		}

		protected void Btn_add_Click(object sender, System.EventArgs e)
		{
            string strsql = "insert into class(Class_id,teacher_id,Class_name,Class_department,Class_college,Class_teacherid)  values('" + Tbx_id.Text + "','" + Tbx_teacher.Text + "','" + Tbx_name.Text +
                            "','" + Tbx_department.Text + "','" + Ddl_college.SelectedItem.Text + "','" + Tbx_teacher.Text + "')";
            DataAccess DataAs = new DataAccess();
            bool Result = DataAs.ExecSql(strsql);
            if (Result)
            {
                Response.Redirect("classes.aspx");

            }
            else
            {
                Lbl_note.Text = "添加失败";
                Lbl_note.Style["color"] = "red";
            }
		}
	}
}