How to programmatically access Control in WPF Grid by row and column index?

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Once Controls have been added to a WPF Grid, is there a way to programmatically access them by row and/or column index? Something along the lines of:

 var myControl = (object)MyGrid.GetChild(int row, int column);

... where GetChild is the method I wish I had!

There isn't a built-in method for this, but you can easily do it by looking in the Children collection:

myGrid.Children
      .Cast<UIElement>()
      .First(e => Grid.GetRow(e) == row && Grid.GetColumn(e) == column);

How to: Manipulate Columns and Rows by Using , Once the control has been added to a WPF grid, whether it is accessed by a line and / or column index Any way Something on the lines of:. Once Controls have been added to a WPF Grid, is there a way to programmatically access them by row and/or column index? Something along the lines of: var myControl = (object)MyGrid.GetChild(int r

This answer will help you

int rowIndex = Grid.GetRow(myButton);

RowDefinition rowDef = myGrid.RowDefinitions[rowIndex];

How to: Position the Child Elements of a Grid, The Grid contains a StackPanel that holds Button elements, each You can change the number of columns and rows in the Grid in Controls; using System. Text = "ColumnDefinition added at index position " + grid1. You can change the number of columns and rows in the Grid in several ways, which includes adding or removing rows and columns; and counting the total number of rows and columns. To prevent ArgumentOutOfRangeException and ArgumentException exceptions, you can use the error-checking functionality that the RemoveRange method provides.

The Children property of the grid object will give you a collection of all the children of the Grid (from the Panel class).

As far as getting the coordinates in the grid, look at the static methods in the Grid class (GetRow() & GetColumn()).

Hope that sets you off in the right direction.

How to programmatically select and focus a row or cell in a DataGrid , parent Grid element ( grid1 ) that has three columns and three rows. rect1 ) is added to the Grid in column position zero, row position zero. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Learn more How to get row index of the selected cell in WPF grid

System::Windows::Controls::Grid^ myGrid = nullptr; System::Windows::Controls::UserControl^ pUserControl = nullptr;

myGrid = m_DlgOwnedObjAdmin->GrdProperties;
if (myGrid->Children->Count > 0)
{
    pUserControl = (System::Windows::Controls::UserControl^)myGrid->Children->default[0];
    if (pUserControl != nullptr)
    {
        if (bValue == true)
            pUserControl->Visibility = System::Windows::Visibility::Visible;
        else
            pUserControl->Visibility = System::Windows::Visibility::Collapsed;
    }
}

The Grid - Rows & columns, The DataGrid control has a SelectionUnit property that decides whether rows, The visual tree in a WPF application describes the structure of all visual one is very useful whenever you need programmatic access to any object in the visual tree. DataGridCell cell = GetCell(dataGrid, row, columnIndex);. It is however possible to select and focus a row in code and get the same behaviour as when using the mouse by accessing the visual user interface elements of the DataGrid control and calling the UIElement.Focus () method on a particular System.Windows.Controls.DataGridCell object as described in this post. You can also select an individual

you could just give your grid column/row a name

<Grid x:Name="MainGridBackground" Grid.Column="0"/>

and access it programmatically by calling it and using "."

MainGridBackground.Background = canvasUCInstance.rectanglePreview.Fill;

Editing in WPF DataGrid control, A thorough description of the WPF Grid and its most important features, in this article Control ToolTips · WPF text rendering · Tab Order · Access Keys First of all, let's throw in more columns and even some rows, for a true tabular layout: Column to place the controls in the grid, and once again you will notice that I have  une fois que les commandes ont été ajoutées à une grille WPF, y a-t-il un moyen de Les accéder programmatiquement par ligne et/ou par index de colonne? Quelque chose du genre: var myControl = (object)MyGrid.GetChild(int row, int column);

Columns in WPF DataGrid control, Learn about Editing support in Syncfusion WPF DataGrid (SfDataGrid) control and Working with IEditableObject interface; Edit events; Programmatically edit the cell RowColumnIndex : Gets the current row column index of the DataGrid. to access the RowColumnIndex structure type in SfDataGrid using Syncfusion.​UI. To access the data item of the selected row use the SelectedItem property. It changes its value every time when the row selection changes and exposes the object to which the row is bound. You can use it when the SelectionUnit is set to FullRow (default), otherwise it is null. Example 1: Accessing RadGridView's selected item

How to: Access a Cell in a Worksheet | Office File API, You can access the column through its column index or GridColumn.​MappingName from the SfDataGrid.Columns collection. c#. GridColumn column​  The Rows property (collection) is used to store the data rows in a GridView control. The GridView control automatically populates the Rows collection by creating a GridViewRow object for each record in the data source and then adding each object to the collection. This property is commonly used to access a specific row in the control or to

WPF DataGrid | Defining Columns, The following images demonstrate how rows and columns are indexed in a worksheet and in a cell range. Row and Column Indexes and Names  I have a gridview, that has a GridViewDataColumn column. It has a CellEditTemplate, with a DataTemplate inside of it. In there I have a RadDateTimePicker. How do I access that at the time the row's are loaded? I think I am close, but I must either have the wrong event, or I am trying to get to it the wrong way.

Comments
  • Although - It might be worth returning the full collection, since technically, you can have more than one element in a single grid "cell", since hte attached properties don't check for that.
  • Thank you. That is the approach I have been following so far, iterating over every child in Children until I find one control with matchin row and column, but I expected there would be something more direct.
  • Thanks, Reed, good point -- that can easily be accomplished by using Where instead of First.
  • worked. thank you. you can cast and use.for example:((Label)myGrid.Children[0]).Text="test";
  • Thanks, but it doesn't do the job because I don't have a reference to myButton!
  • This is exactly what I was looking for. I did have a reference to the object, I just needed to figure out which row and col it was in. Thanks, Carlo.