generate exceptions in implementation

regular.cs.tmpl

@@ -117,15 +117,31 @@ null#slurp
 [0]#slurp
               #end if
 );
-            } catch (NotDataFoundException) {
+\#pragma warning disable CS0168
+            #for $errDef in $Exceptions
+            } catch ($errDef['Exception'] ex) {
               var err = new ErrorResultObject();
-              err.errorCode = 400;
-              err.serviceErrorCode = 517;
-              err.errorMessage("item not found");
-              err.errorInfoURL("https://google.com");
-              return BadRequest(err);
-            }
-
+              err.ErrorCode = $errDef['ErrorCode'];
+              err.ServiceErrorCode = $errDef['ServiceErrorCode'];
+              err.ErrorMessage = #slurp
+              #if $errDef['ErrorMessage'] == 'INSERT_EXCEPTION_MESSAGE'
+ex.ToString();
+              #else
+"$errDef['ErrorMessage']";
+              #end if
+              err.ErrorInfoURL = "$errDef['ErrorInfoURL']";
+              err.OffensiveData = #slurp
+              #if $operation['bodyInputType']
+Newtonsoft.Json.JsonConvert.SerializeObject($operation['bodyInputType']['apiName'], Newtonsoft.Json.Formatting.Indented);
+              #elif $operation['paramInputTypes']
+Newtonsoft.Json.JsonConvert.SerializeObject(paramInput, Newtonsoft.Json.Formatting.Indented);
+              #else         
+null;                   
+              #end if
+              return StatusCode($errDef['ErrorCode'], err);
+            #end for
+            }  
+\#pragma warning restore CS0168
         }
 
         #elif $operation['method'] == 'post'