using System;

using System.Data;

using System.Data.SqlClient;

using System.Windows.Forms;

namespace winApplication

{

     public class sqlAccess

     {

         //与SQL Server的连接字符串设置

         private string _connString;

         private string _strSql;

         private SqlCommandBuilder sqlCmdBuilder;

         private DataSet ds = new DataSet();

         private SqlDataAdapter da;

         public sqlAccess(string connString,string strSql)

         {

              this._connString=connString;

         }

         private SqlConnection GetConn()

         {

              try

              {

                   SqlConnection Connection = new SqlConnection(this._connString);

                   Connection.Open();

                   return Connection;

              }

              catch (Exception ex)

              {

                   MessageBox.Show(ex.Message,"数据库连接失败");

                   throw;

              }

         }