use ViewState

[mythcui]

here is a case:
a page has two textboxs and a button, when Page_Load, the two
textboxs was set a value. and when user click the button, if the values
of the two textboxs was not changed, it will show the alert "there is
not any change". How to use the ViewState to do this?
many thanks !
( I'm a new comer of Google Groups, and my English isn't very well,
hope to get help!)

[Peter Bromberg [C# MVP]]

mythcui,
this is really an ASP.NET question and should have been posted to the
ASP.NET group.
Normally one would not use ViewState for this purpose. You would have code
to handle the TextChanged event of each TextBox and in this you would have
your logic that determines whether to show an alert. If you want a
client-side alert dialog, you can emit client script such as
Response.Write("<script>alert('" +yourmessage+"');</script>");

Peter
--
Co-founder, Eggheadcafe.com developer portal:
http://www.eggheadcafe.com
UnBlog:
http://petesbloggerama.blogspot.com


"my*****@gmail.com" wrote:

here is a case:
a page has two textboxs and a button, when Page_Load, the two
textboxs was set a value. and when user click the button, if the values
of the two textboxs was not changed, it will show the alert "there is
not any change". How to use the ViewState to do this?
many thanks !
( I'm a new comer of Google Groups, and my English isn't very well,
hope to get help!)

[chanmm]

Use session state could be easier.
http://msdn2.microsoft.com/en-us/library/ms178581.aspx

chanmm

<my*****@gmail.comwrote in message
news:11*********************@75g2000cwc.googlegrou ps.com...

here is a case:
a page has two textboxs and a button, when Page_Load, the two
textboxs was set a value. and when user click the button, if the values
of the two textboxs was not changed, it will show the alert "there is
not any change". How to use the ViewState to do this?
many thanks !
( I'm a new comer of Google Groups, and my English isn't very well,
hope to get help!)

[mythcui]

Peter 写�：

mythcui,
this is really an ASP.NET question and should have been posted to the
ASP.NET group.
Normally one would not use ViewState for this purpose. You would have code
to handle the TextChanged event of each TextBox and in this you would have
your logic that determines whether to show an alert. If you want a
client-side alert dialog, you can emit client script such as
Response.Write("<script>alert('" +yourmessage+"');</script>");

Peter
--
Co-founder, Eggheadcafe.com developer portal:
http://www.eggheadcafe.com
UnBlog:
http://petesbloggerama.blogspot.com


"my*****@gmail.com" wrote:

here is a case:
a page has two textboxs and a button, when Page_Load, the two
textboxs was set a value. and when user click the button, if the values
of the two textboxs was not changed, it will show the alert "there is
not any change". How to use the ViewState to do this?
many thanks !
( I'm a new comer of Google Groups, and my English isn't very well,
hope to get help!)

Thanks, and I have resolved it.~~~
Best Regards.