Configuration system failed to initialize

Posted on 2011-09-17
Medium Priority
Last Modified: 2012-05-12
Hi I am trying to establish connection with server and encouter "Configuration system failed to initiaze at "ConnectionString = ConfigurationManager.AppSettings.Get("ConnectionString");"

using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Configuration;
using System.Collections;
using System.Collections.Specialized;

namespace Connections
    public partial class Form1 : System.Windows.Forms.Form 
        private string ConnectionString;
        public Form1()

        private void button1_Click(object sender, EventArgs e)
            ConnectionString = ConfigurationManager.AppSettings.Get("ConnectionString");
            SqlConnection con = new SqlConnection(this.ConnectionString);

        private void Form1_Load(object sender, EventArgs e)
           //ConnectionString = ConfigurationSettings.AppSettings.Get("ConnectionString");



<?xml version="1.0"?>
  <add name ="MaterialProdApp.Properties.Settings.CAMSConnectionString" connectionString="Data Source=TRamanah\SQLEXPRESS;Initial Catalog=CAMS;Persist Security Info=True;User ID=sa" providerName="System.Data.SqlClient" />
  <!-- Configure Sql Cennection String here-->
  <!--  Configure SQL Connection string here  -->
  <add key="LogErrorFile" value="ErrorLog.txt" />
  <add key="ProductionLine" value="A" />
  <add key="ConnectionString1" value="Data Source=;Initial Catalog=CAMS;User ID=sa;Password=camssa;" />
  <add key="ConnectionString" value="Data Source=(local)\SQLEXPRESS;Initial Catalog=CAMS;User ID=sa;Password=abc123;" />
  <add key="ClientSettingsProvider.ServiceUri" value="" />

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Question by:Rama Tito
1 Comment
LVL 14

Accepted Solution

nishant joshi earned 2000 total points
ID: 36555530
try to use Properties.setting.Default.-----------
your connection string

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