TreeListNode.GetDisplayText(Object) Method

Returns the text representation of a specific column value.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v20.1.dll

Declaration

public virtual string GetDisplayText(
    object columnID
)
Public Overridable Function GetDisplayText(
    columnID As Object
) As String

Parameters

Name Type Description
columnID Object

An object that identifies a column (a TreeListColumn object, field name, column's absolute index or corresponding DataColumn object).

Returns

Type Description
String

A text string that represents a specific column value.

Remarks

The following objects and values can be passed as column identifiers:

Examples

The following example iterates through root nodes of the Tree List and changes the "Budget" column value for the "Sales and Marketing" department.TreeListColumn instances are used as column identifiers in the TreeListNode.GetDisplayText, TreeListNode.GetValue and TreeListNode.SetValue methods.

IEnumerator en = treeList1.Nodes.GetEnumerator();
TreeListColumn columnDep = treeList1.Columns["Department"];
TreeListColumn columnBudget = treeList1.Columns["Budget"];
while (en.MoveNext()) {
   TreeListNode childNode = (TreeListNode)en.Current;
   if(childNode.GetDisplayText(columnDep) == "Sales and Marketing") {
      decimal newBudget = (decimal)childNode.GetValue(columnBudget) / 2;
      childNode.SetValue(columnBudget, newBudget);
   }
}
See Also