Error in Inserting image into Database in ASP.NET

Question

Sir,

 

I am in a midst of an error while working on inserting image into database.

 

ASP.NET is the platform and SQL SERVER is the RDBMS.

 

My error is : -Failed to convert parameter value from a String to a Byte[].

 

 

Please go through the screenshot and  reply with the correct code.

 

 

 

 

Please take a look to the table structure where I want to insert my data:-

 

 

 

my sql server query to insert data:-

 

 

 And finally the c# code for insert function:-