db.cs

对班级信息进行增加删除,界面主要是通过客户端进行验证错误信息!

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

/// <summary>
/// DB 的摘要说明
/// </summary>
public class DB
{
	public DB()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}
    public static SqlConnection createconnection()
    {
        SqlConnection con = new SqlConnection();
        con = new SqlConnection("server=C48297614E274C9;database=student_manage;uid=sa;pwd=;");
        return con;
    }
}