| public AddColumn ( String colName, String colValue ) : System.Boolean | ||
| colName | String | Name of the new column. |
| colValue | String | Value of the new column. |
| return | System.Boolean | |
public Boolean AddColumn(String colName, String colValue)
{
bool retVal = false;
int oldFieldCount = _fieldCount;
String newVal = colValue;
String columnName = colName.ToLower();
if (String.IsNullOrEmpty(newVal))
newVal = "";
if (!String.IsNullOrEmpty(columnName))
{
try
{
#region COPY DATA INTO NEW ARRAY, ONE LARGER THAN CURRENT
DatabaseItem[] _dataItemsX;
_dataItemsX = new DatabaseItem[_fieldCount + 1];
for (int x = 0; x < _fieldCount; x++)
{
_dataItemsX[x] = new DatabaseItem();
_dataItemsX[x] = _dataItems[x];
}
#endregion
#region ADD NEW ENTRY TO END OF NEW ARRAY
_dataItemsX[_fieldCount] = new DatabaseItem();
_dataItemsX[_fieldCount].ColumnName = columnName;
_dataItemsX[_fieldCount].Value = newVal;
_dataItemsX[_fieldCount].ColumnSize = 0;
_dataItemsX[_fieldCount].ColumnSQLType = "";
_dataItemsX[_fieldCount].IsAutoIncrementing = false;
_dataItemsX[_fieldCount].IsIdentity = false;
_dataItemsX[_fieldCount].IsNullable = false;
_dataItemsX[_fieldCount].IsPrimaryKey = false;
_dataItemsX[_fieldCount].SystemDataType = "";
_dataIndex.Add(columnName, _fieldCount);
_fieldCount++;
#endregion
#region ENLARGE OLD ARRAY; COPY NEW ARRAY BACK INTO OLD ONE
_dataItems = new DatabaseItem[_fieldCount];
for (int x = 0; x < _fieldCount; x++)
{
_dataItems[x] = new DatabaseItem();
_dataItems[x] = _dataItemsX[x];
}
#endregion
retVal = true;
}
catch
{
_fieldCount = oldFieldCount;
}
}
return retVal;
}
