MaxLength

int System.Data.DataColumn.MaxLength

getset

Definition at line 723 of file DataColumn.cs.

    {
        get
        {
            return _maxLength;
        }
        set
        {
            long scopeId = DataCommonEventSource.Log.EnterScope("<ds.DataColumn.set_MaxLength|API> {0}, {1}", ObjectID, value);
            try
            {
                if (_maxLength != value)
                {
                    if (ColumnMapping == MappingType.SimpleContent)
                    {
                        throw ExceptionBuilder.CannotSetMaxLength2(this);
                    }
                    if (DataType != typeof(string) && DataType != typeof(SqlString))
                    {
                        throw ExceptionBuilder.HasToBeStringType(this);
                    }
                    int maxLength = _maxLength;
                    _maxLength = Math.Max(value, -1);
                    if ((maxLength < 0 || value < maxLength) && _table != null && _table.EnforceConstraints && !CheckMaxLength())
                    {
                        _maxLength = maxLength;
                        throw ExceptionBuilder.CannotSetMaxLength(this, value);
                    }
                    SetMaxLengthSimpleType();
                }
            }
            finally
            {
                DataCommonEventSource.Log.ExitScope(scopeId);
            }
        }
    }

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