不知道这样可以吗? if (DbConnection.State == ConnectionState.Closed || DbConnection.State == ConnectionState.Broken)
{
try
{
DbConnection.Open();
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception("Database connect failed" + ex.Message);
}
}
{
try
{
DbConnection.Open();
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception("Database connect failed" + ex.Message);
}
}
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货