c# - SQL + Cyrilic support + Parameterized Query + Multiple Choice -

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OK, I still do not ask this question.

I have this code away: 

  string userInput = Textbox1.text; String query = "Select books from the book, where BookName = @Title"; SqlConnection con = new SqlConnection (connectionString); SqlCommand CMD = New SQL Commands (Query, Conn.); Cmd.Parameters.AddWithValue ("title", userInput);   
 And I need this query to support Cyrillic characters, and use C for 'Cyrilic support':  
  From books where BookName = N'UserInput% '  
 I also want'% 'because I want to get all the books that match the user input.   
 
 
 This test is not performed because I do not use .NET, but I probably do this Would like to do  
  string UserInput = Textbox1.text; String Query = "Select * Books where BookName @Title like; SqlConnection con = New SqlConnection (connectionString); SqlCommand CMD = New SQL Commands (Query, Connection); Cmd.Parameters.AddWithValue (" Title ", UserInput +"% " );   
 Change  =  to  as  in the query, add %  to user input and make sure that That's the type of data for BookName in the table book,  nvarchar .

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