I'm getting the following exception on a button click, for an asp page which binds more than 500 records in a gridview on page load.
My page does not have any upload control. It contains a textbox, button and the gridview. Does anyone know why this is happening.
Exception Description:
Maximum request length exceeded.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
A postback sends back the viewstate of every control - if you have a huge datagrid, then when the browser reposts that to the server, this is why you are getting the exception.
Your two options are:
EnableViewState="false"
on your GridView if you do not need the viewstate, so it's not so bloated and the postback is a reasonable size,Increase the maximum request size in web.config
as shown below:
<configuration>
<system.web>
<httpRuntime maxRequestLength="32768" />
</system.web>
</configuration>
Hope this helps
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