ColumnName

string System.Data.DataColumn.ColumnName

getset

Definition at line 251 of file DataColumn.cs.

    {
        get
        {
            return _columnName;
        }
        [param: AllowNull]
        set
        {
            long scopeId = DataCommonEventSource.Log.EnterScope("<ds.DataColumn.set_ColumnName|API> {0}, '{1}'", ObjectID, value);
            try
            {
                if (value == null)
                {
                    value = string.Empty;
                }
                if (string.Compare(_columnName, value, ignoreCase: true, Locale) != 0)
                {
                    if (_table != null)
                    {
                        if (value.Length == 0)
                        {
                            throw ExceptionBuilder.ColumnNameRequired();
                        }
                        _table.Columns.RegisterColumnName(value, this);
                        if (_columnName.Length != 0)
                        {
                            _table.Columns.UnregisterName(_columnName);
                        }
                    }
                    RaisePropertyChanging("ColumnName");
                    _columnName = value;
                    _encodedColumnName = null;
                    if (_table != null)
                    {
                        _table.Columns.OnColumnPropertyChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, this));
                    }
                }
                else if (_columnName != value)
                {
                    RaisePropertyChanging("ColumnName");
                    _columnName = value;
                    _encodedColumnName = null;
                    if (_table != null)
                    {
                        _table.Columns.OnColumnPropertyChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, this));
                    }
                }
            }
            finally
            {
                DataCommonEventSource.Log.ExitScope(scopeId);
            }
        }
    }

Referenced by System.Data.NameNode.Bind(), System.Data.ExceptionBuilder.CannotSetMaxLength(), System.Data.ExceptionBuilder.CannotSetMaxLength2(), System.Data.ExceptionBuilder.CannotSetToNull(), System.Data.DataColumn.CheckNotAllowNull(), System.Data.DataColumn.CheckNullable(), System.Data.DataColumn.CheckUnique(), System.Data.DataColumn.Clone(), System.Data.DataRelation.Clone(), System.Data.ForeignKeyConstraint.Clone(), System.Data.UniqueConstraint.Clone(), System.Data.ForeignKeyConstraint.Clone(), System.Data.UniqueConstraint.Clone(), System.Data.ExceptionBuilder.ExpressionAndConstraint(), System.Data.ExceptionBuilder.ExpressionInConstraint(), System.Data.DataKey.GetColumnNames(), System.Data.DataTableReader.GetSchemaTableFromDataTable(), System.Data.ExceptionBuilder.HasToBeStringType(), System.Data.DataColumn.IsMaxLengthViolated(), System.Data.DataColumn.IsNotAllowDBNullViolated(), System.Data.ExceptionBuilder.LongerThanMaxLength(), System.Data.DataRowView.SetColumnValue(), System.Data.ExceptionBuilder.SetFailed(), System.Data.DataColumn.ToString(), and System.Data.ExceptionBuilder.UniqueConstraintViolationText().