Calling a method in parent page from user control?

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Calling a method in parent page from user control?

I have a a gridview in my usercontrol .. on its rowcommand of one button ... i want to call method in parent page's codebehind?

((MyPageName)this.Page).CustomMethod();

I used this way to do that ... but wehn i google that .. i came to know that there is problem is with type of way /// can u suggest me any alternative ?/

Posted 25-Sep-13 23:40pm

Torakami

Updated 25-Sep-13 23:42pm

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ArunRajendra · Answer 1 · 2013-09-25T23:44:00

Solution 1

My solution for this would be to expose the event in the user control and attach a method from parent.

Posted 25-Sep-13 23:44pm

ArunRajendra

Comments

Torakami 26-Sep-13 5:48am

Can you suggest me the code ..

Torakami 26-Sep-13 5:48am

Because I want to do that on gridviews row command

ArunRajendra 26-Sep-13 6:50am

Try this. This sample is taken from stackoverlow site.

public partial class Main
{
public void function1()
{
doing_stuff_here();
}

private void button1_Click(object sender, EventArgs e)
{
var update = new UpdateDialog();
update.OnButton2Click += OnUpdateDialogButton2Click;

update.ShowDialog();
}

void OnUpdateDialogButton2Click(object sender, EventArgs e)
{
function1();
}
}

public partial class UpdateDialog
{
public event EventHandler<eventargs> OnButton2Click;

private void button2_Click(object sender, EventArgs e)
{
//call here function1() from Main

if (OnButton2Click != null)
{
this.OnButton2Click(this, e);
}
}
}

Er Daljeet Singh · Answer 2 · 2013-09-26T00:46:00

Solution 2

This thing will be done with the help of event handling that i have done i the folowing code.

GridView gv = (GridView)UserControl.FindControl("gridview1");
       gv.RowCommand += new GridViewCommandEventHandler("name of the event you want to call from parent page");

Posted 26-Sep-13 0:46am

Er Daljeet Singh

**Azee** · Answer 3 · 2013-09-26T01:24:00

Solution 3

You could try

C#

this.NamingContainer

instead of

C#

this.Page

and I would do it like this:

C#

MyPageName objMyPageName = this.NamingContainer as MyPageName;

C#

if(objMyPageName != null)
{
   objMyPageName.CustomMethod();
}

Posted 26-Sep-13 1:24am

Azee

Comments

Torakami 26-Sep-13 7:40am

Its not working ..
obgmypagename is taking null only ..

Azee 26-Sep-13 7:52am

Could you leave the code and actual name of the Page in which you have the User Control. I produced the scenario and its working for me. In my scenario if MyPageName is name of your page and the User Control is placed inside this page then it should work.