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.NET Forum / Languages / C# / February 2008Custom Page class sets all querystring values as properties, but what about UserControls?
Hi, I have many querystring values that I pass around in my web application, so I created a Custom Page class that simply inherits from System.Web.UI.Page. I then check for all the querystrings in the URL and initialize them, and these are all public properties so I can reference them from within ALL my .aspx pages since they inherit from my custom page class. The Problem? I also have UserControls in my page class, and I need to access these same querystring values etc. from within those! I *could* simply create a custom user control class and then do the same thing, but it seems like redundant work. What other solutions are there? Maybe create a class that I store in Context.Items and setup all the querystring values there during BeginRequest in a HttpModule, and then just reference this from within my Page and UserControl class? Possibly what you really need is not a custom Page class, but a custom Querystring class. This could then be used anywhere. Here is an example: http://www.eggheadcafe.com/articles/20060427.asp -- Peter Site: http://www.eggheadcafe.com UnBlog: http://petesbloggerama.blogspot.com Short Urls & more: http://ittyurl.net > Hi, > [quoted text clipped - 18 lines] > querystring values there during BeginRequest in a HttpModule, and then > just reference this from within my Page and UserControl class? If you don't want to re-design, you can use the Page property of your control to access your properties (with a cast to your Custom Page class). > Hi, > [quoted text clipped - 18 lines] > querystring values there during BeginRequest in a HttpModule, and then > just reference this from within my Page and UserControl class? > If you don't want to re-design, you can use the Page property of your > control to access your properties (with a cast to your Custom Page class). [quoted text clipped - 21 lines] > > querystring values there during BeginRequest in a HttpModule, and then > > just reference this from within my Page and UserControl class? Mufaka, Here is my page setup: I have a .aspx page that inherits from a Master Page. The Master page has the 1 content placeholder (which is my .aspx page) and a Header and Footer user control. I need to access the .aspx custom page class from within my Header control. What would the casting look like from within my Header control? >> If you don't want to re-design, you can use the Page property of your >> control to access your properties (with a cast to your Custom Page class). [quoted text clipped - 29 lines] > > What would the casting look like from within my Header control? The Page property gives you access to the Page hosting the control, which still works even if your control is in a MasterPage. For a sanity check, I created a test project with the following: 1. PageBase which derives from Page. It has one property, TestProperty. 2. WebUserControl 3. MasterPage.master that uses WebUserControl as a header. 4. Default.aspx which uses MasterPage as its master and derives from PageBase In WebUserConrol I can access the PageBase TestProperty property by doing: string testProperty = ((PageBase)Page).TestProperty; > >> If you don't want to re-design, you can use the Page property of your > >> control to access your properties (with a cast to your Custom Page class). [quoted text clipped - 44 lines] > > string testProperty = ((PageBase)Page).TestProperty; Yes thanks, I did the same think today. I simply casted the Page to my custom page class and it worked great. So what I did then was, I just added a read only property in my custom UserControl that does the cast, so now I can just do: CurrentCustomPageClass.MyProperty instead of having to cast each time. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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