No overload for onrowupdating matches delegate

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The method has to draw the Bitmap 'b', generated by 'Draw Mandel' on the form.But I constantly get the error 'no overload for matches delegate 'system.eventhandler'.But before that we need to check the Row State of the Grid View first to ensure that the Grid View is not on Edit Mode. With this dll, when i am referring messagebox control, then getting error like .. If you failed to check for its Row State then you will get unexpected outcome. Could not load file or assembly 'Ajax Control Toolkit, Version=3.0.31106.0, Culture=neutral, Public Key Token=28f01b0e84b6d53e' or one of its dependencies. In this demo, we use the Java Script confirm function for displaying the confirmation message. To do this switch to ASPX source and add the following code block within the The Show Delete Button Command Field is a built-in command in Grid View to preform delete.I used this option in my previous example about “Grid View Edit, Insert, Update and Delete” for deleting the data .

Generate Box_Generated); For the rest of my concern with this question, please refer to the commented portion of my code example.

As I'm pretty new to C#, I struggle with the following piece of code.

When I click to button 'knop', the method 'klik' has to be executed.

This is my first Program and within in 5 minutes I have a error.

I've only started to today using C#, so I know I should be really looking around, but I didn't think there was a problem with what I was doing.

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