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using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.ComponentModel;
namespace SQLHelper
{
/// <summary>
/// Class1 µÄժҪ˵Ã÷¡£
/// </summary>
public class SQLHelper
{
// Á¬½ÓÊý¾ÝÔ´
private SqlConnection myConnection;
private readonly string RETURNVALUE = "RETURNVALUE";
/// <summary>
/// ´ò¿ªÊý¾Ý¿âÁ¬½Ó.
/// </summary>
private void Open()
{
// ´ò¿ªÊý¾Ý¿âÁ¬½Ó
if (myConnection == null)
{
myConnection = new SqlConnection(ConfigurationSettings.AppSettings["SQLCONNECTIONSTRING"].ToString());
}
if(myConnection.State == ConnectionState.Closed)
{
try
{
///´ò¿ªÊý¾Ý¿âÁ¬½Ó
myConnection.Open();
}
catch(Exception ex)
{
SystemError.SystemLog(ex.Message);
}
finally
{
///¹Ø±ÕÒѾ´ò¿ªµÄÊý¾Ý¿âÁ¬½Ó
}
}
}
/// <summary>
/// ¹Ø±ÕÊý¾Ý¿âÁ¬½Ó
/// </summary>
public void Close()
{
///ÅжÏÁ¬½ÓÊÇ·ñÒѾ´´½¨
if(myConnection != null)
{
///ÅжÏÁ¬½ÓµÄ״̬ÊÇ·ñ´ò¿ª
if(myConnection.State == ConnectionState.Open)
{
myConnection.Close();
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using System.Web;
using System.Web.Services;
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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Data.SqlClient;
namespace WebService1
{
/// <sum ......