I got this error when I was trying to install any application, I didn't know if this error is a bug in Windows Vista Ultimate or a bug in Windows Installer. However finally I got the solution after days of searching Google to get any solution for this error but I didn't find any. What I...
It is a way of hacking on a database driven application in which the hacker executes unauthorized SQL commands by taking advantage of insecure code on a system connected to the Internet, bypassing the firewall. SQL injection hackers are used to steal information from a database from which the data would normally not be available...
In this article we are going to show two examples of exporting to excel. First one is how to export grid view control to excel and the second one is how to export data table to excel. 1-Export Grid View control to Excel: HtmlForm htmlForm = new HtmlForm(); string fileName = "attachment; filename=Reports.xls"; Response.ClearContent(); Response.AddHeader("content-disposition", fileName); Response.ContentType = "application/ms-excel"; StringWriter strw...
We are going to use Gmail outgoing mail server in our code here to demonstrate how you can send an email from your application using C# SmtpClient oSmtpClient = new SmtpClient(); oSmtpClient.Host = "smtp.gmail.com"; //The Outgoing mail server oSmtpClient.Credentials = new NetworkCredential("Your Email", "Your password"); oSmtpClient.Port = 587; oSmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network; oSmtpClient.EnableSsl = true; MailMessage msg = new MailMessage("Email From", "Email...
Introduction: When you try to connect to an instance of Microsoft SQL Server from a remote computer, you may receive an error message. This problem may occur when you use any program to connect to SQL Server. For example, you receive the following error message when you use the SQL Management Studio to connect to SQL...
The terms tier and layer are frequently used interchangeably, but actually there is a difference between them: Tiers indicate a physical separation of components, which may mean different assemblies such as DLL, EXE, etc... on the same server or multiple servers; but layers refers to a logical separation of components, such as having distinct namespaces...
What Captcha stand for? Completely Automated Public Turing test to tell Computers and Humans Apart. The Captcha technology help you to make sure your site is reasonably secure against automated attacks. Write the following code in a class named Captcha: public class Captcha { //make the captcha image for text public Bitmap MakeCaptchaImage(string txt, int width, int hight,...
Server.Transfer processes the page from one page directly to the next page without making a round-trip back to the client's browser. This way is faster, with a little less overhead on the server. However, it does not update the clients URL history list or current URL. Response.Redirect, as expected, is used to redirect the user's...
If you are using ajax by using UpdatePanel, and there is a control inside the UpdatePanel causes a postback that would normally run Javascript, and you find the Javascript is not running, add a postback trigger to the UpdatePanel using the ID of the control that causes the postback.
In order to make all dates before the current date, not able to be selected, in the onDayRender event for your Calendar: if (e.Day.Date < DateTime.Today) { e.Day.IsSelectable = false; } To make it more obvious to the end user, also add: e.Cell.BackColor = Drawing.Color.GhostWhite; e.Cell.ForeColor = Drawing.Color.Gainsboro;
