How to Enable Multi Selection in Grid in LightSwitch 2012

Here we will see how to enable multi-selection in a Grid in a LightSwitch Application (Visual C#) in Visual Studio 2012.

The following is the procedure for enabling multi-selection in a Grid.

Step 1

Open the Solution Explorer.

sol exp.jpg

Step 2

In the Solution Explorer, right-click on the Server and choose "Add Table".

Add Table.jpg

Step 3

The Person table appears.


Step 4

In the Solution Explorer, right-click on the Screens and choose "Add Screen".

Add Screen.jpg

Step 6

The Add New Screen dialog box appears. Select the "Editable Grid Screen" from the Screen Template, under screen information, choose "People" under screen data and provide a name to the screen, and click the "OK" button.


Step 7

The Screen Designer appears for the Editable Grid Screen.

Src desi.jpg

Step 8

Press F5 to run the application and add some data to the screen.


Step 9

Stop Debugging the application and go to the menu bar, and under the write code method, select the "_Created()" method and set the selection mode property of the specified grid.

write code.jpg

Add the following lines of code.

using System;

using System.Linq;

using System.IO;

using System.IO.IsolatedStorage;

using System.Collections.Generic;

using Microsoft.LightSwitch;

using Microsoft.LightSwitch.Framework.Client;

using Microsoft.LightSwitch.Presentation;

using Microsoft.LightSwitch.Presentation.Extensions;

using System.Windows.Controls;

namespace LightSwitchApplication


    public partial class EditablePeopleGrid


        partial void EditablePeopleGrid_Created()


            this.FindControl("Grid").ControlAvailable += new EventHandler<ControlAvailableEventArgs>(EditablePeopleGrid_ControlAvailable);



        private void EditablePeopleGrid_ControlAvailable(object sender, ControlAvailableEventArgs e)


            if (e.Control is DataGrid)


                DataGrid Grid = (DataGrid)e.Control;

                Grid.SelectionMode = DataGridSelectionMode.Extended;





Step 10

Press F5 to run the application and this time we will notice that we are able to select multiple rows in the grid.


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