("asp.net")::how can call two javascript function by ( Page.ClientScript.)

Question

4.00/5 (1 vote)

See more:

i need call two javascript function by use Page.ClientScript.

but when i use

Page.ClientScript.RegisterStartupScript(this.GetType(), "onload", "onload()", true);

i can't use this agin in same page

example this code

Page.ClientScript.RegisterStartupScript(this.GetType(), " onload", "pro('150')", true);
for (int i = 1 ; i<=4;i++)
Page.ClientScript.RegisterStartupScript(this.GetType(), "onload", "onload()", true);

-------------------------------------
just first Page.ClientScript execut
but second no :(

Posted 18-Jun-11 0:03am

hmoooda

Updated 18-Jun-11 1:10am

Monjurul Habib

v2

Add a Solution

3 solutions

Solution 3

http://forums.asp.net/t/1685244.aspx/1?Page+Client+Script+Overwrite[^]

http://msdn.microsoft.com/en-us/library/z9h4dk8y.aspx[^]

Posted 18-Jun-11 1:14am

Monjurul Habib

Solution 2

Well of course - what you've done is try to overwrite the old registered method. RegisterStartupScript registers code in the onload method to run, the third parameter specifies this code. It does not add on lines of code the to event. Instead you need to register it all at once. Do something like:

C#

string OnLoadScript = "onload(); ";
//Remember to put end line characters after statements or the resulting JavaScript code would be invalid e.g. 'onload()pro('150')' instead of valid: 'onload(); pro('150');'
OnLoadScript += "pro('150'); "
Page.ClientScript.RegisterStartupScript(this.GetType(), "onload", OnLoadScript, true);

Hope this helps,

Ed :)

Posted 18-Jun-11 1:12am

Ed Nutting

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

nit_singh · Accepted Answer · 2011-06-18T01:10:00

Solution 1

The second parameter in RegisterStartupScript is KEY. So if the script is already added to the page with that key, it will not add it again.

So change the key If you want to execute the script again.

Using IsStartupScriptRegistered you can check if that key already registered on the page

MIDL

Page.ClientScript.RegisterStartupScript(this.GetType(), "pro", "pro('150')", true);
for (int i = 1 ; i<=4;i++)
Page.ClientScript.RegisterStartupScript(this.GetType(), "onload", "onload()", true);

ipt(this.GetType(), "onload", "onload()", true);

Posted 18-Jun-11 1:10am

nit_singh

Comments

Ed Nutting 18-Jun-11 7:15am

Would that work? I would have thought the key also specifies the event - e.g. onload. With your code it may result in an invalid event 'pro'. Please see my answer, which I think is also better to implement as it avoids confusion.

nit_singh 18-Jun-11 7:18am

No, pro (which is highlighted in BOLD) is only a key, the function pro('150') is registered with that key

Ed Nutting 18-Jun-11 7:19am

Okay thanks for clearing that up :) Personally I never have found a use for the RegisterScriptMethods - I prefer to just include script tags directly, seems simpler.