AutoIncrement

bool System.Data.DataColumn.AutoIncrement

getset

Definition at line 122 of file DataColumn.cs.

    {
        get
        {
            if (_autoInc != null)
            {
                return _autoInc.Auto;
            }
            return false;
        }
        set
        {
            DataCommonEventSource.Log.Trace("<ds.DataColumn.set_AutoIncrement|API> {0}, {1}", ObjectID, value);
            if (AutoIncrement == value)
            {
                return;
            }
            if (value)
            {
                if (_expression != null)
                {
                    throw ExceptionBuilder.AutoIncrementAndExpression();
                }
                if (!DefaultValueIsNull)
                {
                    throw ExceptionBuilder.AutoIncrementAndDefaultValue();
                }
                if (!IsAutoIncrementType(DataType))
                {
                    if (HasData)
                    {
                        throw ExceptionBuilder.AutoIncrementCannotSetIfHasData(DataType.Name);
                    }
                    DataType = typeof(int);
                }
            }
            AutoInc.Auto = value;
        }
    }

Referenced by System.Data.DataTableReader.GetSchemaTableFromDataTable(), and System.Data.DataColumn.Init().