problem with my Settings in my Project Designer

[daimous]

hi guyz! can you help me with my problem. I have the code below the db_connection () every time I call it it always give me an error message saying

Configuration system failed to initialize

and i can't figura out what the problem is I post also my Setting.Designer.cs where i think problem occurs. Can anybody please help me with this. Thanks!

        public bool  db_Connection()
        {
            try
            {
                //string sqlConnStr = Properties.Settings.Default.MyConnectionString;
                string sqlConnStr = Properties.Settings.Default.ConnString;
                sqlConn = new SqlConnection(sqlConnStr);
                sqlConn.Open();
                return true;
            }
            catch (System.Data.SqlClient.SqlException ex)
            {
                MessageBox.Show("db_Connection Function error:" + ex.Message, "BCMD");
                return false;
            }
        }

Settings.Designer.CS

namespace WindowsApplication1.Properties {
    
    
    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "8.0.0.0")]
    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
        
        private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
        
        public static Settings Default {
            get {
                return defaultInstance;
            }
        }
        
        [global::System.Configuration.ApplicationScopedSettingAttribute()]
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.Configuration.DefaultSettingValueAttribute("Generate")]
        public string generate_txt {
            get {
                return ((string)(this["generate_txt"]));
            }
        }
        
        [global::System.Configuration.ApplicationScopedSettingAttribute()]
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
        [global::System.Configuration.DefaultSettingValueAttribute("Data Source = DAIMOUS\\SQLEXPRESS; Initial Catalog=BCMDDB; User ID=test; Password=" +
            "test;")]
        public string ConnString {
            get {
                return ((string)(this["ConnString"])); //It is here where the problem Occurs.
            }
        }
    }
}