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How to Pass Multi String Message from Model to View

I have a code which loop in 2 table and collect string if any exception thrown, ever time when another exception thrown the 1 message get deleted and am using list object, how to add multi string in list and send to view?

  1. foreach ( dicionary d in hashtable1)  
  2. {  
  3.    writer = xmlwriter.create()  
  4.    string strmsg = "";  
  5.    message = new List<string>  
  6.    try  
  7.    {  
  8.       some condition   
  9.    }  
  10.    catch( excep ex)  
  11.    {  
  12.       message.add(strmsg);  
  13.    }  
  14. }  
  15. foreach ( dicionary d in hashtable2)  
  16. {  
  17.    string strmsg2 = "";  
  18.    message2 = new List<string>  
  19.    try  
  20.    {  
  21.       some condition  
  22.    }  
  23.    catch( excep ex)  
  24.    {  
  25.       message2.add(strmsg2);  
  26.    }  
  27. }    
  28. writer.Flush();  
  29. writer.Close();  
I can see the strmsg & strmsg2 with value but when it come to close it get delete. how to added both table message as one list and send to view page?