How can i make ..

[Ahmed EL Gendy]

hi all here i want to know ,that if it is posible to make a variable that i can control it from any page from my website ??? if yes , HoW can i do this ?? Ex: String X ; page.aspx page2.aspx page3.aspx x = "abc"; x = "def"; x = "ghi"; i hope that any one understand what i mean. best regards Ahemd EL GEndy

[Guffa]

The Application object has a collection where you can put variables. As the Application object is global for the application, any page can use the variable. Example: Application["info"] = "asdf"; string info = (string)Application["info"]; When changing application variables you can use Application.Lock and Application.Unlock to make sure that only one page has access to the variables at the moment.

--- single minded; short sighted; long gone;

[Ennis Ray Lynch Jr]

Guffa's answer will work if you want an application global. However, from reading, it seems you may want

Session["something"] = 12;
int i = (int)Session["something"];

Also, i you will be managing a large amount of data between pages in session, or application, I would consider creating a serializable object that can be used. Also, instead of retrieving the object from session or application create a static method of the object to retrieve itself.

public class SomeClass{
private const string SESSION_KEY = "SomeClass";

public static SomeClass GetInstance(Page page){
    if(Session\[SESSION\_KEY\] == null)
        Session\[SESSION\_KEY\] = new SomeClass();
     return (SomeClass)Session\[SESSION\_KEY\];
}

private SomeClass(){}

}

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