public static void GetQueryDataSchema(MainForm frm)
{
PFOleDb db = new PFOleDb();
Program._messageLog.WriteLine("GetQueryDataSchema started ...");
try
{
db.ConnectionString = frm.cboConnectionString.Text;
db.OpenConnection();
_msg.Length = 0;
_msg.Append("Connection string is ");
_msg.Append(db.ConnectionString);
_msg.Append("\r\n");
_msg.Append("Connection state is ");
_msg.Append(db.Connection.State.ToString());
_msg.Append("\r\n");
_msg.Append("Query text is:\r\n");
_msg.Append(frm.txtSqlQuery.Text.ToString());
Program._messageLog.WriteLine(_msg.ToString());
db.SQLQuery = frm.txtSqlQuery.Text;
db.CommandType = CommandType.Text;
DataTable tab = db.GetQueryDataSchema();
foreach (DataColumn col in tab.Columns)
{
_msg.Length = 0;
_msg.Append(col.ColumnName);
_msg.Append(", ");
_msg.Append(col.DataType.ToString());
Program._messageLog.WriteLine(_msg.ToString());
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
Program._messageLog.WriteLine(_msg.ToString());
AppMessages.DisplayErrorMessage(_msg.ToString(), _saveErrorMessagesToAppLog);
}
finally
{
if (db.Connection.State == ConnectionState.Open)
{
db.CloseConnection();
}
Program._messageLog.WriteLine("... GetQueryDataSchema finished.");
}
}
