Is it possible to use JavaScript to insert data into a database in an ASP.NET C# environment? If so, after successfully inserting the data, how can an alert box be created?
Is it possible to use JavaScript to insert data into a database in an ASP.NET C# environment? If so, after successfully inserting the data, how can an alert box be created?
If you want to improve your code, consider using RegisterStartupScript instead. By the way, there is a small mistake in your alert message box. "exits" should be "exists" :)
ScriptManager.RegisterStartupScript(this, GetType(), "alertMessage", "alert('employee Already Exists !.')", true);
When working within a web method, it's important to note that using register client script is not possible due to the lack of a round trip and page cycle.
The process of registering client script involves the page being posted to the server, followed by code behind execution, then the entire webpage traveling back to the client for reloading before your injected script can run.
In contrast, with a web method, client-side JavaScript code initiates and runs the method, allowing for the execution of scripts to display dialog boxes or any desired content. By having the web method return specific text or data, you can handle the display logic in the client-side JavaScript code based on this returned value.
To include JavaScript code in a webpage, a post-back to the server must be initiated. The web method itself cannot update controls or inject scripts into the webpage as it remains on the user's desktop without making the journey to the server.
However, by returning a string value like "true" for successful insertion or "false" for unsuccessful action from the web method, the calling JavaScript code can easily handle displaying messages accordingly. This eliminates the need for registering scripts and instead allows for dynamic message display based on the response received from the web method.
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