Question Can't figure out this error.

[roary86]

I'm using vb.net/asp.net 3.5. When I go to insert a vendor into my table it gives me this garbage. In my URL and says page can not be displayed:
I put a breakpoint on click of the button and it never even hits it. Any ideas?

http://localhost:50501/PlatinumComm...EPDwULLTEwNTA0ODAwMDMPZBYCZg9kFgICAw9kFgICBA9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VGV4YXMEVXRhaAdWZXJtb250CFZpcmdpbmlhCldhc2hpbmd0b24NV2VzdCBWaX
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AjMwAjMxAjMyAjMzAjM0AjM1AjM2AjM3AjM4AjM5AjQwAjQxAjQyAjQzAjQ0AjQ1A
jQ2AjQ3AjQ4AjQ5AjUwAjUxAjUyFCsDNGdnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2
dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dkZAIQDxAPFgIfAGdkEBU0By1TZW
xlY3QHQWxhYmFtYQZBbGFza2EHQXJpem9uYQhBcmthbnNhcwpDYWxpZm9ybml
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