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which VS2010 template?

Posted on 2011-03-06
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Last Modified: 2012-08-14
I want to create an executable that sends emails every night. I cant use the web templates.
From windows templates, which templates should I use? Console app?? windows service??
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Question by:Camillia
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by:cauos
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they all can do the same jobs, but using windows service give you advantage of handling it using windows itself like any other services, also you don't need to remember every time to start it when for example restart the server.
if you want to send  email using some data from sql server, it's good to add job to send emails. check this link to setup database mail on sql server 2005
http://www.databasejournal.com/features/mssql/article.php/3626056/Database-Mail-in-SQL-Server-2005.htm
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by:Camillia
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thanks, this is sql 2000 unfortuantely. I'll use windows service template. thanks.
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Éric Moreau earned 500 total points
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even if the application is not built to be interactive, I really prefer to build one that has a UI just in case you need to debug it. You can then handle parameters to detect runs in batch or interactively.

check http://www.emoreau.com/Entries/Articles/2008/11/Passing-arguments-to-an-application-startup.aspx
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by:Camillia
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eric, so I should use which template? I looked at your link but not clear.. This app is a small app. Reads 5 rows of data and emails it to some managers, every night at 9 PM.
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by:Éric Moreau
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I prefer to build a "Windows Forms application"
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by:Camillia
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oh and then i can schedule the windows form? does that link show it how to??
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by:Éric Moreau
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I schedule some of these applications passing an argument like /batch so the job starts, does its job, and quits automatically.
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by:Camillia
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I implemented this in C#. How do I call it in "batch" mode. I went to "properties", "debug" and typed "/batch". I step thru the code and the enum "enuEnvironment" comes out as unknown and the form pops up.

I also tried "/bath//ENV_DEV" but still comes out as unknown and the form interface pops up.
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by:Éric Moreau
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check http://msdn.microsoft.com/en-us/library/cb20e19t(v=vs.80).aspx to find out how to handle C# command line arguments
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by:Camillia
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I tried "/BATCH"..upper case. Now else if (GlobalArguments.BatchMode) comes out as false.
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by:Éric Moreau
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can you show your code?
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by:Camillia
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yes, i just tried your VB.Net code with /BATCH and that worked. This is my C#  code:


using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace WallboardEmail
{
    public static class ModMain
    {
        public static  GlobalArgumentsStructure GlobalArguments = new GlobalArgumentsStructure();


        public static void Main(string[] pArgs) //pass argument from command line by using the parameter
        {
            GetCommandLineArgs(pArgs);
            
            StartApplication();
        }

        #region methods
        private static void StartApplication()
        {
            if (GlobalArguments.DisplayArgs)
            {
                //do something here
                Application.Exit();

            }
            else if (GlobalArguments.BatchMode)
            {
                //Launch a process that has no UI
                //send email //same cProcess in orig code
                Log.LogTrace("This line was added by a batch process. Email Sent");

            }
            else
            {
                //Launch the UI
                Form1 form = new Form1();
                Application.Run(form);
            }

        }

        private static void GetCommandLineArgs(string[] pArgs)
        {
            //If no arguments are passed to the application, short-circuit the process
            if ((pArgs.Length == 0))
            {
                GlobalArguments.DisplayArgs = true;
            }

            //Ensure all arguments are in upper case
            for (Int32 intI = 0; intI <= pArgs.Length - 1; intI++)
            {
                pArgs[intI] = pArgs[intI].ToUpper();
            }

            //Search for expected arguments (all others being ignored)
            var _with1 = GlobalArguments;
            _with1.DisplayArgs = (Array.IndexOf(pArgs, "/?") >= 0);
            _with1.BatchMode = (Array.IndexOf(pArgs, "/BATCH") >= 0);

            if (Array.IndexOf(pArgs, "/ENV_DEV") >= 0)
            {
                _with1.Environment = GlobalArgumentsStructure.enuEnvironment.Dev;
            }
           
            else if (Array.IndexOf(pArgs, "/ENV_PRODUCTION") >= 0)
            {
                _with1.Environment = GlobalArgumentsStructure.enuEnvironment.Production;
            }
            else
            {
                _with1.Environment = GlobalArgumentsStructure.enuEnvironment.Dev;
            }

        }
        #endregion

        #region enum
        public struct GlobalArgumentsStructure
        {
            public enum enuEnvironment
            {
                Unknown = 0,
                Dev = 1,
                Production = 3
            }

            public bool BatchMode;
            public enuEnvironment Environment;

            public bool DisplayArgs;
        }


        #endregion
    }
  
}

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Expert Comment

by:Éric Moreau
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is your Main method ever called?
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Author Comment

by:Camillia
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yes, i step thru it.

Calls GetCommandLineArgs., this line is true:
_with1.BatchMode = (Array.IndexOf(pArgs, "/BATCH") >= 0);

Then calls StartApplication and
1.  if (GlobalArguments.DisplayArgs) is false
2. This also is false but in your VB code, it's trueelse if (GlobalArguments.BatchMode) //comes out as false
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by:Camillia
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it's not because of this line, is it?

public static  GlobalArgumentsStructure GlobalArguments = new GlobalArgumentsStructure();

i dont think so but not sure why GlobalArguments.BatchMode becomes false in "StartApplication" routine...
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by:Camillia
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Fixed it. I added this line of code:

_with1.BatchMode = (Array.IndexOf(pArgs, "/BATCH") >= 0);
            GlobalArguments.BatchMode = (Array.IndexOf(pArgs, "/BATCH") >= 0);

GlobalArguments.BatchMode wasnt set. Not sure how your VB code works. You dont have that line of code and still works. But at least, this gets me going.
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