ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,417 questions
You need to use JavaScript and do it on a Document.Ready.
ASP C# How to maximize startup page.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 20%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
LeClair, Michael L. (Rumford)
21
Reputation points
I have having a problem figuring out how to maximize my initial ASPX/C# startup page. I have tried multiple ways and it doesn't seem to work. Can someone give me some help?
---For clarification I am asking how to programmatically maximize my browser window via C# or Javascript on an ASPX page.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 0%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXP%3C/text%3E%3C/svg%3E)
XuDong Peng-MSFT 10,341 Reputation points Microsoft Vendor2020-12-18T07:44:50.49+00:00 Hi @LeClair, Michael L. (Rumford) ,
Based on your description, I cannot determine the cause of your problem. Have you closed the application on a non-maximized page and encountered the problem?
As far as I know, most browsers retain the size of the last closed page and display the new page in that size.
If it is the case, you could try: Start the application, if the page is not maximized, manually maximize the page with the button in the upper right corner, and then close the applicaiton page.
When you start the application again, it will display the page maximized.If my guess is wrong, do you describe how you tested it? Which browser are you using?etc.
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