Can we use OnClick and OnClientClick together?
Ava Robinson
Updated on August 02, 2026
Can we use OnClick and OnClientClick together?
OnClick will work on server side , OnClientClick will execute on client side before control passed to server. If the client side code returns TRUE then it will go to server. Generally programmers use onClientClick to validate the controls like textbox,etc.
How do I run OnClick before OnClientClick?
So that the ” OnClientClick ” event occurs before the OnClick event. Regarding your requirement, you have to change your code. Basically you have to remove the ” OnClientClick ” attribute. And then after the postback (when the OnClick ” event occurs you have to register the following script.
How do I use OnClientClick?
Use the OnClientClick property to specify additional client-side script that executes when a Button control’s Click event is raised. The script that you specify for this property is rendered in the Button control’s OnClick attribute in addition to the control’s predefined client-side script.
What is UseSubmitBehavior?
The UseSubmitBehavior property specifies if the Button control uses the browser’s built-in submit function or the ASP.NET postback mechanism. This property is set to TRUE if the control uses the browser’s submit function. When set to FALSE, ASP.NET adds a client-side script to post the form.
What is OnClientClick and OnClick?
OnClick will work on server side , OnClientClick will execute on client side before control passed to server. If the client side code returns TRUE then it will go to server. Generally programmers use onclientclick to validate the controls like textbox,etc.
How do I stop postback on OnClientClick?
The OnClientClick calls the callPostBack function. The callPo stBack() returns false since 1 <> 2 and cancels the postback. You can add your own code in the callPostBack() function to check for a condition before doing the postback. That’s it.
What is OnClientClick asp net?
The OnClientClick property is used to sets a client side script to be run when the Button control is clicked. The script specified in this property is run by the Button’s event “OnClick” in addition to the predefined script.
What is the use of UseSubmitBehavior in asp net?
Use the UseSubmitBehavior property to specify whether a Button control uses the client browser’s submit mechanism or the ASP.NET postback mechanism. By default the value of this property is true , causing the Button control to use the browser’s submit mechanism.
Which attribute is necessary for HTML control to work as a HTML server control?
The HTML server controls are HTML elements that include a runat=”server” attribute. HTML server controls provide automatic state management and server-side events. The runat=”server” attribute is necessary for HTML control to work as a HTML server control.
What is OnClientClick?
How do I turn off postback?
The postback on submit button can be avoided by giving return=false in the event handler function as below.
How can disable postback on button click in asp net VB?
try doing =”yourfunction();return false;” UseSubmitBehavior=”false” OnClick=”btn_Click”/> When you make UseSubmitBehavior true, asp.net will add the necessary client-side script to post the submit to the server.