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When i run my asp.project im getting this error I dont know how to handle this error

JavaScript runtime error: Sys.ParameterCountException: Parameter count mismatch.

Can any one explain me about this error
Posted

That is what happens when you call a method with the incorrect number of parameters: to many parameters or to less.

PS: You should give more details (some code) to can give you more advices.
 
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not clear

try this,
Possibly enclose your data: item in quotes

eg: data: "action = 5"
 
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The Error Message is quite self explanatory. The number of parameters passed to method should be the same which method expects.
 
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