TreeListColumnCollection.ColumnByFieldName(String) Method

Returns a column with the field name specified.

Namespace: DevExpress.XtraTreeList.Columns

Assembly: DevExpress.XtraTreeList.v19.2.dll

Declaration

C#

public virtual TreeListColumn ColumnByFieldName(
    string fieldName
)

VB.NET

Public Overridable Function ColumnByFieldName(
    fieldName As String
) As TreeListColumn

Parameters

Name	Type	Description
fieldName	String	A String value that specifies the name of the field to which the column is bound.

Returns

Type	Description
TreeListColumn	A TreeListColumn object which represents the column bound to the specified field. null (Nothing in Visual Basic) if the collection has no columns bound to the field.

Remarks

The ColumnByFieldName method scans the collection starting from the first element and returns the first column found whose TreeListColumn.FieldName property’s value matches the fieldName.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ColumnByFieldName(String) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-save-checkstate-for-treelistnode-in-a-bound-mode-e3376/CS/SaveCheckStateTreeListNode/SaveCheckHelper.cs#L21

_treeList = treeList;
TreeListColumn column = _treeList.Columns.ColumnByFieldName(field);
if (column == null)

how-to-copy-nodes-from-one-treelist-to-another-e3164/CS/CopyNodesExample/MainForm.cs#L38

private void OnAddColumnButtonClick(object sender, EventArgs e) {
    if (sourceTreeList.Columns.ColumnByFieldName(txtColumnName.Text) == null)
        sourceTreeList.Columns.AddField(txtColumnName.Text).Visible = true;

VB.NET

how-to-save-checkstate-for-treelistnode-in-a-bound-mode-e3376/VB/SaveCheckStateTreeListNode/SaveCheckHelper.vb#L19

_treeList = treeList
Dim column As TreeListColumn = _treeList.Columns.ColumnByFieldName(field)
If column Is Nothing Then

how-to-copy-nodes-from-one-treelist-to-another-e3164/VB/CopyNodesExample/MainForm.vb#L42

Private Sub OnAddColumnButtonClick(ByVal sender As Object, ByVal e As EventArgs) Handles btnAddColumn.Click
    If sourceTreeList.Columns.ColumnByFieldName(txtColumnName.Text) Is Nothing Then
        sourceTreeList.Columns.AddField(txtColumnName.Text).Visible = True