TreeListNode.GetValue(Object) Method

Returns the value for a specific column, or null if no column with such columnID was found.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v20.1.dll

Declaration

public virtual object GetValue(
    object columnID
)
Public Overridable Function GetValue(
    columnID As Object
) As Object

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
Object

The value of a specific column.

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