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SqlParameter userParameter = new SqlParameter();
foreach( userParameter in userCommand.Parameters )
{
if (userParameter.Value ="")
{
userParameter.Value=System.DBNull.Value ;
}
}
foreach(SqlParameter userParameter in userCommand.Parameters )
{
//
}
string sql =
"SELECT * FROM Users " +
"WHERE LoginId = @LoginId AND Pwd = @Pwd";
SqlParameter[] para = new SqlParameter[]
{
new SqlParameter("@loginId", Cuser.LoginId),
new SqlParameter("@Pwd", Cuser.Pwd)
};