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POinput string was not in correct format error
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  1. POinput string was not in correct format error
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    copied!<p>I am trying to learn the basics of C# using Sams Teach Yourself C# in 21 days.</p> <p>I have created this program by copying it line by line from the day 1 type and run section. It compiles fine but when you run it, it gives this error: "Input string was not in the correct format".</p> <p>I am running the program from the console. </p> <p>I am using the Visual Studio 2010 Express editor. </p> <p>The code I copied is: </p> <pre><code>using System; using System.IO; /// &lt;summary&gt; /// Class to number a listing. Assumes fewer than 1000 lines. /// &lt;/summary&gt; class NumberIT { /// &lt;summary&gt; /// The main entry point for the application. /// &lt;/summary&gt; public static void Main(string[] args) { // check to see if a file name was included on the command line. if (args.Length &lt;= 0) { Console.WriteLine("\nYou need to include a filename."); } else { // declare objects for connecting to files... StreamReader InFile = null; StreamWriter OutFile = null; try { // Open file name included on command line... InFile = File.OpenText(args[0]); // Create the output file... OutFile = File.CreateText("outfile.txt"); Console.Write("\nNumbering..."); // Read first line of the file... string line = InFile.ReadLine(); int ctr = 1; // loop through the file as long as not at the end... while (line != null) { OutFile.WriteLine("{1}: {2}", ctr.ToString().PadLeft(3, '1'), line); Console.Write("..{1]..", ctr.ToString()); ctr++; line = InFile.ReadLine(); } } catch (System.IO.FileNotFoundException) { Console.WriteLine("Could not find the file {0}", args[0]); } catch (Exception e) { Console.WriteLine("Error: {0}", e.Message); } finally { if (InFile != null) { // Close the files InFile.Close(); OutFile.Close(); Console.WriteLine("...Done."); } } } } } </code></pre>
 

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