VGridControlBase.GetPrev(BaseRow) Method
Returns the row previous to the specified one.
Namespace: DevExpress.XtraVerticalGrid
Assembly: DevExpress.XtraVerticalGrid.v24.2.dll
NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.VerticalGrid
#Declaration
#Parameters
Name | Type | Description |
---|---|---|
row | Base |
A Base |
#Returns
Type | Description |
---|---|
Base |
A Base |
#Remarks
The GetPrev method gets the row previous to the specified one. This can be especially useful when rows are arranged in a tree structure. The GetPrev method returns the null reference in the instances listed below:
- the row specified as the parameter is the null reference or belongs to another vertical grid;
- the row specified as the parameter is the first row.
#Example
The following sample code demonstrates how to make visible all hidden category rows. The VGridControlBase.GetPrev
and VGridControlBase.GetLast methods are used to traverse through the rows.
private void HideAllCategoryRows(){
BaseRow row = vGridControl1.GetLast();
while (row != null){
if ((row is CategoryRow) && (row.Visible == false)){
row.Visible = true;
}
row = vGridControl1.GetPrev(row);
}
}