The error message is pretty obvious:
Conversion failed when converting the nvarchar value '82,236.44' to data type int.
82,236.44 isn't an integer value.
The problem is that you have a design error: your database contains numeric values which you have stored in a string based column (or several columns with the same problem).
The solution is to create a new table, with the correct datatypes, and write some C# or VB (or whatever) code to convert and move your existing data into the new table before replacing the old one once you have sorted out the code which inserts into it.
Otherwise this problem will come back, again, and again, and again...and it gets harder to sort out the longer you leave it as the size of the data you need to correct increases - and the chances of you being able to work out the correct values decreases.
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