using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
/// <summary>
///Base 的摘要说明
/// </summary>
public class Base
{
public Base()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
#region "Fields of base calss"
/// <summary>
/// connecting to Database '连接数据库,从Web.config中读取连接字符串信息
/// </summary>
public static string strConn = ConfigurationManager.ConnectionStrings["EduDBConnectionString"].ConnectionString;
//静态变量,只能类内调用
/// <summary>
/// SQL command
/// </summary>
protected static string strSQL;
#endregion
#region
/// <summary>
/// executing SQL commands ‘执行commands语句
/// </summary>
/// <param name="strSQL">string</param>
/// <returns>return int</returns>
protected static int SqlExecuteNonQuery(string strSQL) //创建操作数据库
{
SqlConnection myCn = new SqlConnection(strConn); //设置数据库连接对象
SqlCommand myCmd = new SqlCommand(strSQL,myCn); //设置Command对象
try
{
myCn.Open(); //打开数据库连接
myCmd.ExecuteNonQuery(); //执行SQL语句
return 0;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
finally
{
myCmd.Dispose();
myCn.Close(); //关闭数据库连接
}
}
/// <summary>
/// 返回一个数据集
/// </summary>
/// <param name="strSQL">(string)</param>
/// <returns>(DataSet)</returns>
protected static DataSet SqlDataSet(string strSQL)
{
SqlConnection myCn = new SqlConnection(strConn);
try
{
myCn.Open();
SqlDataAdapter sda = new SqlDataAdapter(strSQL, myCn);
DataSet ds = new DataSet();
sda.Fill(ds);
return ds;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
finally
{
myCn.Close();
}
}
#endregion
}