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POC# T-SQL statement includes "with(nolock)" error
 

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  1. POC# T-SQL statement includes "with(nolock)" error
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    <p>Short:</p> <p>SQL statement in my C# code is not working. <code>with(nolock)</code> is breaking the code.</p> <p>Detailed:</p> <p>Below are my errors and the code where I am getting the error. The code is supposed to connect to my SQL Server database (connection code works fine) then run a query. This query will get the ip addresses of all events that have a uri of "blah". The issue seems to be my <code>with(nolock)</code> command that I am required to use. I have to use it as it's a group standard for all T-SQL queries. </p> <p>I googled around for a while but nothing seems to fit my issue and the fixes I found haven't worked yet. Any help with my code or links would be greatly appreciated. </p> <p>Error:</p> <blockquote> <p>System.Data.SqlClient.SqlException was caught Message=Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon.<br> Source=.Net SqlClient Data Provider ErrorCode=-2146232060 Class=15 LineNumber=1 Number=319 Procedure="" Server= State=1</p> </blockquote> <p>Code:</p> <pre><code>try { //create sql reader to display data SqlDataReader myReader = null; //create string to enter data into database string insString = @"select c_ip from @dates with(nolock) where cs_uri like 'blah'"; SqlCommand myCommand = new SqlCommand(insString, DbConnection); //populate and sanitize parameters myCommand.Parameters.Add("@dates", SqlDbType.VarChar, 100); myCommand.Parameters["@dates"].Value = currentdate; //execute the command myReader = myCommand.ExecuteReader(); //read all results and print them to output while (myReader.Read()) { //get IPs String ipmix = myReader["c_ip"].ToString(); mainIPs.Add(ipmix); } } catch (Exception e) { Console.WriteLine("The query connection to the datebase has timed out.\n"); Console.WriteLine(e.ToString()); Console.ReadLine(); } </code></pre> <p>Solution:</p> <p>Change code from:</p> <pre><code>//create string to enter data into database string insString = @"select c_ip from @dates with(nolock) where cs_uri like 'blah'"; </code></pre> <p>to:</p> <pre><code>//create string to enter data into database string insString = @"select c_ip from " + currentdate + " with(nolock) where cs_uri like '%blah'"; </code></pre>
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    1. UStoosweetnitemare
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    1. COIts not the with, its the @dates
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    2. COThank you for the input StingyJack! any suggestions?
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    3. CO@toosweetnitemare: You are aware of, and handling, that WITH NOLOCK can cause you to miss out on already committed rows?
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