.Net and Xamarin Developer

1. Multiple inheritance  A class may inherit several interfaces.  class abc : ICrud,IDisposal  A class may inherit only one abstract class.  class abc : parentClass 2. Default implementation Interface : An interface cannot provide any code, just the signature. Example: interface IPerson     {         void Add(string name, string email);     }     Abstract class : An abstract class can provide complete, default code and/or just the details that have to be overridden. Example: abstract class APerson     {         //         string Name;         string Email;        // like interface        public abstract void Add(string name, string email);        ...

public abstract class SQLiteConnection : IDisposable { public string DatabasePath { get ; private set ; } public bool TimeExecution { get ; set ; } public bool Trace { get ; set ; } public SQLiteConnection ( string databasePath) { DatabasePath = databasePath; } public abstract int CreateTable < T > (); public abstract SQLiteCommand CreateCommand ( string cmdText, params object [] ps); public abstract int Execute ( string query, params object [] args); public abstract List < T > Query < T > ( string query, params object [] args) where T : new (); public abstract TableQuery < T > Table < T > () where T : new (); public abstract T Get < T > ( object pk) where T : new (); public bool IsInTransaction { get ; protected set ; } public abstract void BeginTransaction (); public abstract void Rollback (); public abstract void Co...

A custom EntryRenderer can handle changing the keyboard return key description.  For both Android and IOS   How to set return key into Next/Done in Xamarin Form Shared Project

Error        java.lang.OutOfMemoryError. Consider increasing the value of $(JavaMaximumHeapSize). Java ran out of memory while executing 'java.exe -jar  "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\MonoAndroid\v6.0\mono.android.jar"  ------------------------ Solution -------------- Just set the java max heap size into the android project property using below steps: Right click your Android Project > Proerties > Android Options > Advanced Tab > Java Max Heap Size set Java Max Heap size to 1G and save the settings.

In js file : var _currentPageID = 1; var _pageSize = 10; var _sortExpression = ''; var _sortDirection = 1; var _accessUrl = ''; var _gridDivId = 'ajaxGrid'; var _searchBoxDivId = 'searchFilter'; var _searchParameters = []; function asynList() {     var jsonParameters = { "CurrentPageID": _currentPageID, "PageSize": _pageSize, "SortingColumn": _sortExpression, "SortingOrder": _sortDirection, "SearchParameter": _searchParameters };     $.ajax({         type: 'POST',         contentType: 'application/json',         data: JSON.stringify({ TablePaging: jsonParameters }),         url: _accessUrl,         success: function (result)         {             $('#' + _gridDivId).html(result);             $('.sort-icon').removeClass('sort-asc');           ...

From a VS.NET command prompt, enter the following: 1. Generate a KeyFile sn -k keyPair.snk 2. Get the MSIL for the assembly ildasm SomeAssembly.dll /out:SomeAssembly.il 3. Rename the original assembly, just in case ren SomeAssembly.dll SomeAssembly.dll.orig 4. Build a new assembly from the MSIL output and your KeyFile ilasm SomeAssembly.il /dll /key= keyPair.snk   more read visit : http://www.geekzilla.co.uk/ViewCE64BEF3-51A6-4F1C-90C9-6A76B015C9FB.htm

function checkAll(bx,dg) {                                         var tbl = document.getElementById(dg);                                         for (var index = 1; index < tbl.rows.length; index++) {                                             var cbs = tbl.rows[index].getElementsByTagName('input');                ...