Question How to call DropDownList SelectedIndexChanged on masterpage from content page?

[raysefo]

Hi,

I have a dropdownlist and i would like to call selectedIndexchanged event of it from content page.

Is there a way to do this?

thanks in advance.

Best Regards.

 

[kulrom]

Once you find the dropdownlist referring its ID attribute you just set the index e.g. foundControl.SelectedIndex = x and the selectedIndexchanged event will be fired

 

[raysefo]

thanks so much for your answer kulrom, i will try it. bytheway where were you? I asked couple of questions, you did not answer

 

[raysefo]

kulrom,

I m trying to reach dropdownlist on content page's page_load like below. But the problem is ,dropdown does not change to index what i want! Should i place the code into page_init or somewhere else?

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim ddl As DropDownList = CType(Master.FindControl("ddlLanguage"), DropDownList)
ddl.SelectedIndex = 1

End If

End Sub

 

[kulrom]

Where is placed the DropDownList ? Master or Content page? Your code implies that it's on the Master page but from your post i understood that it's on the content page.

 

[raysefo]

I got what i want Problem solved but i want to know what is the difference between cookie and application? I used application instead of cookie in my begin application method in global.asax. Its working.

 

[JohnH]

what is the difference between cookie and application? I used application instead of cookie in my begin application method in global.asax. Its working.

ASP.NET State Management Overview
Cookie is stored at client per user, Application state is stored at server globally for all users.

 

[raysefo]

thanks JohnH.