c# Programming Glossary: string.isnullorempty
How to bind to a PasswordBox in MVVM http://stackoverflow.com/questions/1483892/how-to-bind-to-a-passwordbox-in-mvvm return loginCommand private bool CanLogin return string.IsNullOrEmpty Username private void Login bool result securityService.IsValidLogin..
Encrypt/Decrypt string in .NET http://stackoverflow.com/questions/202011/encrypt-decrypt-string-in-net EncryptStringAES string plainText string sharedSecret if string.IsNullOrEmpty plainText throw new ArgumentNullException plainText if string.IsNullOrEmpty.. plainText throw new ArgumentNullException plainText if string.IsNullOrEmpty sharedSecret throw new ArgumentNullException sharedSecret string.. DecryptStringAES string cipherText string sharedSecret if string.IsNullOrEmpty cipherText throw new ArgumentNullException cipherText if string.IsNullOrEmpty..
HTML Agility Pack strip tags NOT IN whitelist http://stackoverflow.com/questions/3107514/html-agility-pack-strip-tags-not-in-whitelist pNode.ChildNodes i if pNode.ChildNodes i .HasChildNodes string.IsNullOrEmpty pNode.ChildNodes i .InnerText.Trim .Replace r n HtmlNode outputNode1..
how to do subquery in LINQ http://stackoverflow.com/questions/418609/how-to-do-subquery-in-linq the straightforward filters looks something like this if string.IsNullOrEmpty TextBoxLastName.Text predicateAnd predicateAnd.And c c.LastName.Contains..
ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action http://stackoverflow.com/questions/4344533/asp-net-mvc-razor-how-to-render-a-razor-partial-views-html-inside-the-controll RenderPartialViewToString string viewName object model if string.IsNullOrEmpty viewName viewName ControllerContext.RouteData.GetRequiredString..
How to read a text file reversely with iterator in C# http://stackoverflow.com/questions/452902/how-to-read-a-text-file-reversely-with-iterator-in-c-sharp Invalid UTF 8 data at start of stream if firstYield string.IsNullOrEmpty previousEnd yield break yield return previousEnd finally..
parse and execute JS by C# http://stackoverflow.com/questions/4744105/parse-and-execute-js-by-c-sharp out exceptionInfo string message if string.IsNullOrEmpty sourceLine message Script exception 1 . Error number 0 0x..
Read Post Data submitted to ASP.Net Form http://stackoverflow.com/questions/564289/read-post-data-submitted-to-asp-net-form nvc Request.Form string userName password if string.IsNullOrEmpty nvc txtUserName userName nvc txtUserName if string.IsNullOrEmpty.. nvc txtUserName userName nvc txtUserName if string.IsNullOrEmpty nvc txtPassword password nvc txtPassword Process login CheckLogin..
Merge two object lists with linq http://stackoverflow.com/questions/720609/merge-two-object-lists-with-linq yet we can't define if it's the same. Return false. if string.IsNullOrEmpty personToCompareTo.Name return false Check if both person objects..
Conditional operator assignment with Nullable<value> types? http://stackoverflow.com/questions/75746/conditional-operator-assignment-with-nullablevalue-types assignment with Nullable value types EmployeeNumber string.IsNullOrEmpty employeeNumberTextBox.Text null Convert.ToInt32 employeeNumberTextBox.Text.. Int32 yourself so C# can resolve the type EmployeeNumber string.IsNullOrEmpty employeeNumberTextBox.Text int null Convert.ToInt32 employeeNumberTextBox.Text.. employeeNumberTextBox.Text or EmployeeNumber string.IsNullOrEmpty employeeNumberTextBox.Text null int Convert.ToInt32 employeeNumberTextBox.Text..
Create Generic method constraining T to an Enum http://stackoverflow.com/questions/79126/create-generic-method-constraining-t-to-an-enum T string value T defaultValue where T Enum if string.IsNullOrEmpty value return defaultValue foreach T item in Enum.GetValues typeof.. new ArgumentException T must be an enumerated type if string.IsNullOrEmpty value return defaultValue foreach T item in Enum.GetValues typeof..
Reliable method to get machine's MAC address in C# http://stackoverflow.com/questions/850650/reliable-method-to-get-machines-mac-address-in-c-sharp nic.GetPhysicalAddress .ToString if nic.Speed maxSpeed string.IsNullOrEmpty tempMac tempMac.Length MIN_MAC_ADDR_LENGTH log.Debug New Max..
Changing the user agent of the WebBrowser control http://stackoverflow.com/questions/937573/changing-the-user-agent-of-the-webbrowser-control ref object postData ref object headers ref bool cancel if string.IsNullOrEmpty UserAgent if renavigating headers string.Format User Agent..
How do I split a string by a multi-character delimiter in C#? http://stackoverflow.com/questions/1126915/how-do-i-split-a-string-by-a-multi-character-delimiter-in-c
C#: File-size format provider http://stackoverflow.com/questions/128618/c-file-size-format-provider kB else suffix B string precision format.Substring 2 if String.IsNullOrEmpty precision precision 2 return String.Format 0 N precision 1 size..
How to make Databinding type safe and support refactoring http://stackoverflow.com/questions/1329138/how-to-make-databinding-type-safe-and-support-refactoring supername GetMemberName memberExpression.Expression if String.IsNullOrEmpty supername return memberExpression.Member.Name return String.Concat..
How can I upload a file and save it to a Stream for further preview using C#? http://stackoverflow.com/questions/1653469/how-can-i-upload-a-file-and-save-it-to-a-stream-for-further-preview-using-c HttpContextWrapper HttpContext if String.IsNullOrEmpty files.ErrorMessage files.TotalBytes 0 add SINGLE file to the..
Sending input/getting output from a console application (C#/WinForms) http://stackoverflow.com/questions/1765493/sending-input-getting-output-from-a-console-application-c-winforms object sendingProcess DataReceivedEventArgs outLine if String.IsNullOrEmpty outLine.Data OutputTextBox.Append Environment.NewLine outLine.Data..
C# - How to get Program Files (x86) on Windows Vista 64 bit http://stackoverflow.com/questions/194157/c-sharp-how-to-get-program-files-x86-on-windows-vista-64-bit windows static string ProgramFilesx86 if 8 IntPtr.Size String.IsNullOrEmpty Environment.GetEnvironmentVariable PROCESSOR_ARCHITEW6432 return..
Read/Write 'Extended' file properties (C#) http://stackoverflow.com/questions/220097/read-write-extended-file-properties-c i string header objFolder.GetDetailsOf null i if String.IsNullOrEmpty header break arrHeaders.Add header foreach Shell32.FolderItem2..
databind the Source property of the WebBrowser in WPF http://stackoverflow.com/questions/263551/databind-the-source-property-of-the-webbrowser-in-wpf null string uri e.NewValue as string browser.Source String.IsNullOrEmpty uri new Uri uri null Then in your xaml do WebBrowser ns WebBrowserUtility.BindableSource..
How do I send ctrl+c to a process in c#? http://stackoverflow.com/questions/283128/how-do-i-send-ctrlc-to-a-process-in-c p.Kill string error p.StandardError.ReadToEnd if String.IsNullOrEmpty error throw new Exception error string output p.StandardOutput.ReadToEnd..
On postback, how can I check which control cause postback in Page_Init event http://stackoverflow.com/questions/3175513/on-postback-how-can-i-check-which-control-cause-postback-in-page-init-event string controlName page.Request.Params __EVENTTARGET if String.IsNullOrEmpty controlName control page.FindControl controlName else if __EVENTTARGET..
WebBrowser Control in a new thread http://stackoverflow.com/questions/4269800/webbrowser-control-in-a-new-thread true clicker.DocumentCompleted BrowseComplete if String.IsNullOrEmpty url.Link return if url.Link.Equals about blank return if url.Link.StartsWith..
Cookie Confusion with FormsAuthentication.SetAuthCookie() Method http://stackoverflow.com/questions/4939533/cookie-confusion-with-formsauthentication-setauthcookie-method Then If authTicket.UserData IsNot Nothing AndAlso Not String.IsNullOrEmpty authTicket.UserData Then CookieUserData New JavaScriptSerializer..
Executing Batch File in C# http://stackoverflow.com/questions/5519328/executing-batch-file-in-c-sharp exitCode process.ExitCode Console.WriteLine output String.IsNullOrEmpty output none output Console.WriteLine error String.IsNullOrEmpty.. output none output Console.WriteLine error String.IsNullOrEmpty error none error Console.WriteLine ExitCode exitCode.ToString..
MVC Form Validation on Multiple Fields http://stackoverflow.com/questions/6075339/mvc-form-validation-on-multiple-fields validationContext.ObjectInstance null if fieldValue null String.IsNullOrEmpty fieldValue.ToString return new ValidationResult this.FormatErrorMessage..
Linq to objects Predicate Builder http://stackoverflow.com/questions/7094930/linq-to-objects-predicate-builder Name2 Test2 new TestObject Name1 Test3 Name2 Test3 if String.IsNullOrEmpty keyword1 String.IsNullOrEmpty keyword2 tests tests.Where e e.Name1.Contains.. Test3 Name2 Test3 if String.IsNullOrEmpty keyword1 String.IsNullOrEmpty keyword2 tests tests.Where e e.Name1.Contains keyword1 else.. tests tests.Where e e.Name1.Contains keyword1 else if String.IsNullOrEmpty keyword2 String.IsNullOrEmpty keyword1 tests tests.Where e e.Name2.Contains..
Event Bubbling and MVP: ASP.NET http://stackoverflow.com/questions/8851933/event-bubbling-and-mvp-asp-net value. public void SetMonth string monthValueInput if String.IsNullOrEmpty monthValueInput monthView.MonthName monthValueInput else User..
ReSharper - Possible Null Assignment when using Microsoft.Contracts http://stackoverflow.com/questions/929859/resharper-possible-null-assignment-when-using-microsoft-contracts string string public void Foo string s Contract.Requires String.IsNullOrEmpty s if _Lookup.ContainsKey s _Lookup.Remove s What is really odd..
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