select max(id) from tbl1
mySqlCommand.CommandText = sql;
mySqlConnection.Open();
int Result =(int)mySqlCommand.ExecuteScalar();
mySqlConnection.Close();
return Result;
اررور:Specified cast is not valid.
select max(id) from tbl1
mySqlCommand.CommandText = sql;
mySqlConnection.Open();
int Result =(int)mySqlCommand.ExecuteScalar();
mySqlConnection.Close();
return Result;
اررور:Specified cast is not valid.
int Result = int.Parse(mySqlCommand.ExecuteScalar().ToString()) ;