Let me tell you some disadvantages… [most of the problems mentioned here has been answered or addressed to some degree in my previous answers section in StackOverflow, if you are curious, feel free to browse my WebBrowser-Control related answers]. Detecting when page is really done loading is very difficult to do reliably, in fact, you … Read more
So I know everyone has shown the basic client side approach, and that is fine, but I wanted to at least show a solution for handling a specific client side event on the server. Lets take a look at the code, and go over it piece by piece. Since ASP.Net TextBox does not expose a … Read more
The only exception that cannot be caught directly is (a framework thrown) StackOverflowException. This makes sense, logically, as you don’t have the space in the stack to handle the exception at that point. From the docs: Starting with the .NET Framework version 2.0, a StackOverflowException object cannot be caught by a try-catch block and the … Read more
Use Form.ShowDialog() As Bob mentioned, you should set Form.DialogResult accordingly on your modal form.
The .NET / COM interop is well designed, and works correctly. In particular, the .NET Garbage Collector correctly tracks COM references, and will correctly release COM objects when they have no remaining runtime references. Interfering with the reference counts of COM object by calling Marshal.ReleaseComObject(…) or Marshal.FinalReleaseComObject(…) is a dangerous but common anti-pattern. Unfortunately, some … Read more
Asp.Net 4.0+ comes with a very strict built-in request validation, part of it is the potential dangerous characters in the url which may be used in XSS attacks. Here are default invalid characters in the url : < > * % & : \ ? You can change this behavior in your config file: <system.web> … Read more
The following will show how to retrieve an image from SQL Server and display it in a GridView on an ASP.NET web page. Create a table in the database: CREATE TABLE Surplus([Surplus Id] int not null, Department nchar(50), Category nchar(25), Item nchar(75), Visible bit, TransferableImage varbinary(max), CONSTRAINT PK_Surplus_SurplusId PRIMARY KEY([Surplus Id])); Note: If a table … Read more
You need to convert the code to an expression tree. using System; using System.Linq; using System.Linq.Expressions; using System.Reflection; namespace WindowsFormsApplication1 { static class Program { [STAThread] static void Main() { using (var context = new NorthwindEntities()) { IQueryable<Customer> query = context.Customers; query = Simplified<Customer>(query, “CustomerID”, “ALFKI”); var list = query.ToList(); } } static IQueryable<T> Simplified<T>(IQueryable<T> … Read more
No, you can’t. Unless you are willing to use some “J#” libraries (which is not nearly the same as Java) or IKVM which is a Java implementation that runs on top of .NET, but as their documentation says: IKVM.OpenJDK.ClassLibrary.dll: compiled version of the Java class libraries derived from the OpenJDK class library with some parts … Read more
Function getHTTPStream() As String Dim myh As HttpWebRequest = _ HttpWebRequest.Create(“http://yourmagentoweb/soap/api/?wsdl”) myh.Timeout = 30000 myh.UserAgent = “Test” Dim myR As HttpWebResponse = myh.GetResponse() Dim myEnc As Encoding = Encoding.GetEncoding(1252) Dim mySr As StreamReader = New StreamReader(myR.GetResponseStream(), myEnc) Return mySr.ReadToEnd() End Function That code needs tweaking obviously- i have not got time to prettify this stuff … Read more