A junior developer asked me can I select some rows from a GridView and copy them to another GridView?I told him sure all you have to do is to create a DataTable and the columns that will be added to it.Now you will loop for each row in the first GridView then add the...
Boundfields are great in the Gridview, but they do have their limitations.One is that it only has room for one bound field. So, what do you do when you want two or data fields.For example, First and Last names returned to the same column.Turn the BoundField into a TemplateField, with a label in it: <asp:templatefield> ...
The declarative controls of ASP.NET are really great. However, there are some times, when it may not seem so.Let's say you have a DropDownList which is bound by a DataSource control. Also, you have other pages hitting this page, with querystrings, and based on the item in the querystring, you'd like the to select that...
The Following code sample shows how to get selected text out from ASP .NET Drop Down List. <script type="text/javascript"> function GetSelectedText() { var ddlID = '#' + '<%= ddlEmployees.ClientID %>'; var selectedText = $(ddlID + " option:selected").text(); ...
I got this error message when I try to submit a form with HTML Code, the default settings of the .NET Framework will not allow me to submit HTML Code to prevent cross-site scripting (XSS) attacks. To avoid this error set Validate Request to false in the Page Directive.ValidateRequest="false" but this is not recommended.
A web portal is a page that allows a user to customize his homepage by dragging and dropping widgets onto it. This approach gives the user complete control over what content he sees on his home page, where on the page he wants to see it, and how he wants to interact with it. A...
I faced a strange problem with Visual Studio 2005 and Visual Studio 2008 which is I have several ASP.NET Projects some of them using .NET 2.0 or Visual Studio 2005 and the others are using .NET 3.5 or Visual Studio 2008. The problem was when I try to run the Web Application I got this...
We will assume that we have a Label control called "Label1" on your Master Page, you might want to change the text of that Label.To do that write this code in your content page: Label lbl = new Label(); lbl = (Label)Master.FindControl("Label1"); lbl.Text = "Text"; Of course, this is all assuming the label is OUTSIDE the ContentPlaceHolder
This is a new feature in ASP .NET 2.0. The IButtonControl Interface contains a new property called PostBackUrl which points to the page to which the current page will postback, Button, ImageButton and LinkButton implements this interface and exposes the cross page postback functionality. When user clicks the button in the current page will postback...
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...
