Open a MessageBox and provide a message if a connection fails. This handles incorrected values for the server name, the database name, or anything else (including security) which would cause a connection to fail.
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@ -260,9 +260,9 @@ namespace VEPROMS.CSLA.Library
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{
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string strConn = VEPROMS_Connection; // If failure - Fail (Don't try to catch)
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// Attempt to make a connection
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SqlConnection cn = new SqlConnection(strConn);
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try
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{
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SqlConnection cn = new SqlConnection(strConn);
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cn.Open();
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return cn;
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}
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@ -289,6 +289,8 @@ namespace VEPROMS.CSLA.Library
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}
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else
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{
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Open a MesageBox so the user is given some feedback that the connection has failed.
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ReportInnermostException(exsql,strConn);
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throw new ApplicationException("Failure on Connect", exsql);
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}
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}
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@ -299,6 +301,20 @@ namespace VEPROMS.CSLA.Library
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}
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}
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}
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/// <summary>
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/// Open a MessageBox with the exception type, the connection string and the exception message
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/// </summary>
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/// <param name="ex">exception being processed</param>
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/// <param name="conn">connection string</param>
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private static void ReportInnermostException(Exception ex, string conn)
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{
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// walk up the exception stack to find the innermost exception.
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while (ex.InnerException != null)
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ex = ex.InnerException;
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System.Windows.Forms.MessageBox.Show(string.Format("{0}\r\n\r\nConnection String ={1}", ex.Message,conn)
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,"PROMS - " + ex.GetType().FullName, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Exclamation);
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System.Diagnostics.Process.GetCurrentProcess().Kill();
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}
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public static void PurgeData()
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{
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try
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