How to access a control of a Master Page? - ng.asp-net-forum.master_pages_themes_and_navigation_controls

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8/14/2006 3:09:34 PM

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8 Items, 1 Pages 1 |< << Go >> >|

	grakaman
	Asp.Net User

How to access a control of a Master Page?

8/14/2006 3:09:34 PM

0/0

I have a Master Page that contains a Panel control. This Panel control also contains two TextBox controls and a Button control.Now you type something within the TextBox controls and hit the button to trigger a PostBack. In the event handler method i call the Server.Transfer method to switch to another aspx page. This new aspx page also uses the Master Page template. Now, i want to access the values of the two TextBox controls of the Master Page from the Page_Load event handler. I use the Master.FindControls() to search for the controls. It seems that i get the instances of these controls, but their Text properties has no values. How can i get the Text propertie values of the TextBox controls? Many thanks in advance

regards,

grakaman

	LudovicoVan
	Asp.Net User

Re: How to access a control of a Master Page?

8/14/2006 6:07:35 PM

0/0

Hello grakaman:

> In the event handler method i call the Server.Transfer method to switch to another aspx page. This new aspx page also uses the Master Page template. Now, i want to access the values of the two TextBox controls of the Master Page from the Page_Load event handler.

The target page using the same Master doesn't help here. You need acces to the controls on the previous page instead. For this, the fwk provides a Page.PreviousPage property into the target page, which is defined in case you issue a Server.Transfer or a cross-page postback (otherwise it is null). So i guess your code should look something like:

PreviousPage.Master.FindControl(...);

HTH. -LV

Julio P. Di Egidio
Software Analyst / Programmer
http://julio.diegidio.name

(Peace X Love] = [++1)

	grakaman
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 6:44:59 AM

0/0

Tthats it. Thanks ;)

	mychucky
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 3:29:00 PM

0/0

I have a similar situation. I have a SqlDataSource1 in the master page. In the client page of the master page, I want to access the SqlDataSource1 that is on the master page. How do I do it?

	LudovicoVan
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 4:29:05 PM

0/0

mychucky:

> I have a similar situation. I have a SqlDataSource1 in the master page. In the client page of the master page, I want to access the SqlDataSource1 that is on the master page. How do I do it?

You are not in the context of a Server.Transfer, right? Then, i guess just something like:

Page.Master.FindControl("SqlDataSource1")

HTH. -LV

Julio P. Di Egidio
Software Analyst / Programmer
http://julio.diegidio.name

(Peace X Love] = [++1)

	mychucky
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 6:09:28 PM

0/0

Thanks for the response. Here is what I have:

SqlDataSource sqlEnewsMnuMaster = new SqlDataSource();
sqlEnewsMnuMaster = this.Master.FindControl("sqlEnewsMnu");

The compilation error I got is:

Error 1 Cannot implicitly convert type 'System.Web.UI.Control' to 'System.Web.UI.WebControls.SqlDataSource'. An explicit conversion exists (are you missing a cast?) T:\enews\test.aspx.cs 68 45 T:\

	mychucky
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 6:14:24 PM

0/0

Okay, I tried this:

sqlEnewsMnuMaster = (SqlDataSource)this.Master.FindControl("sqlEnewsMnu");

And there is no errors.

My next question is, how do I call a method that is on the Master page?

	LudovicoVan
	Asp.Net User

Re: How to access a control of a Master Page?

8/15/2006 9:17:22 PM

0/0

mychucky:

> My next question is, how do I call a method that is on the Master page?

Define a public method in your master page class, then call it as usual with something like:

((MyMaster)Page.Master).MyMethod();

You can avoid the cast, that is have a strongly typed master reference, with the @MasterType directive in your content page.

Btw, netiquette tells: new question => new topic... ;)

HTH. -LV

Julio P. Di Egidio
Software Analyst / Programmer
http://julio.diegidio.name

(Peace X Love] = [++1)

8 Items, 1 Pages 1 |< << Go >> >|

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