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POIsolatedStorageSettings WP8
 

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  1. POIsolatedStorageSettings WP8
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    <p>I have one problem which I cannot resolve (at least I didn't found solution yet...) I wanted to add data into IsolatedStorageSettings in WP8. My goal is to check if there are settings already in there, but when I want to check I get an exception which I cannot resolve. </p> <pre><code> private IsolatedStorageSettings appSettings = new IsolatedStorageSettings(); private void Button_Click(object sender, RoutedEventArgs e) { //correct this part if (String.IsNullOrEmpty((string)appSettings["ICE1"])|| String.IsNullOrEmpty((string)appSettings["ICE2"]) || String.IsNullOrEmpty((string)appSettings["ICE3"]) || String.IsNullOrEmpty((string)appSettings["address"]) || String.IsNullOrEmpty((string)appSettings["fullName"])) { appSettings.Add("fullName", fullName.Text); appSettings.Save(); appSettings.Add("address", address.Text); appSettings.Save(); if (Regex.IsMatch(prefix1.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number1.Text, "d{6,10}")) { appSettings.Add("ICE1", prefix1.Text + number1.Text); appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } if (Regex.IsMatch(prefix2.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number2.Text, "d{6,10}")) { appSettings.Add("ICE2", prefix2.Text + number2.Text); appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } if (Regex.IsMatch(prefix2.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number2.Text, "d{6,10}")) { appSettings.Add("ICE3", prefix2.Text + number2.Text); appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } MessageBox.Show("Your information is saved...!"); } else { // appSettings["fullName"] = fullName.Text; appSettings.Save(); appSettings["address"] = address.Text; appSettings.Save(); if (Regex.IsMatch(prefix1.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number1.Text, "d{6,10}")) { appSettings["ICE1"]= prefix1.Text + number1.Text; appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } if (Regex.IsMatch(prefix2.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number2.Text, "d{6,10}")) { appSettings["ICE2"] = prefix2.Text + number2.Text; appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } if (Regex.IsMatch(prefix2.Text, "^+\\d{2,3}") &amp;&amp; Regex.IsMatch(number2.Text, "d{6,10}")) { appSettings["ICE3"] = prefix3.Text + number3.Text; appSettings.Save(); } else { MessageBox.Show("Invalid prefix number, please use +01 and for numbers only 0-9..."); } MessageBox.Show("Your information is saved...!"); } </code></pre> <p>Can someone explain how IsolatedStorageWorks? How can I correct this part because this is causing the problem:</p> <pre><code>if (String.IsNullOrEmpty((string)appSettings["ICE1"])|| String.IsNullOrEmpty((string)appSettings["ICE2"]) || String.IsNullOrEmpty((string)appSettings["ICE3"]) || String.IsNullOrEmpty((string)appSettings["address"]) || String.IsNullOrEmpty((string)appSettings["fullName"])) </code></pre> <p>Do I need to do appSettings.Save() every each time when I wish to add the data or update-it...?</p> <p>I also have another problem of getting data from IsolatedStorageSettings:</p> <pre><code> public WindowsPhoneControl2() { InitializeComponent(); } string ice1; string ice2; string ice3; PhoneCallTask ptask = new PhoneCallTask(); private void Image_Tap(object sender, System.Windows.Input.GestureEventArgs e) { ptask.PhoneNumber = ice1; ptask.DisplayName = "Contact person 1"; ptask.Show(); } private void Image_Tap_1(object sender, System.Windows.Input.GestureEventArgs e) { ptask.PhoneNumber = ice2; ptask.DisplayName = "Contact person 2"; ptask.Show(); } private void Image_Tap_2(object sender, System.Windows.Input.GestureEventArgs e) { ptask.PhoneNumber = ice3; ptask.DisplayName = "Contact person 3"; ptask.Show(); } private void UserControl_Loaded(object sender, RoutedEventArgs e) { IsolatedStorageSettings appSettings = IsolatedStorageSettings.ApplicationSettings; appSettings.Contains("fullName"); fullName.Text = (string)appSettings["fullName"]; address.Text = (string)appSettings["address"]; phone1.Text = (string)appSettings["ICE1"]; phone2.Text = (string)appSettings["ICE1"]; phone3.Text = (string)appSettings["ICE1"]; ice1 = phone1.Text; ice2 = phone2.Text; ice3 = phone3.Text; } </code></pre> <p>especially this part which is supposed to get data from dictionary:</p> <pre><code> fullName.Text = (string)appSettings["fullName"]; address.Text = (string)appSettings["address"]; phone1.Text = (string)appSettings["ICE1"]; phone2.Text = (string)appSettings["ICE1"]; phone3.Text = (string)appSettings["ICE1"]; </code></pre>
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