By default all the nodes of the WPF tree view is selectable. If some how we had a requirement that the roots nodes can not be selected rather only the child nodes will be selectable we need to customize one single property “focusable”. If we set the focusable property of any node to false then the node will not be selectable. pretty small thing but worth sharing because in MSDN forum one developer asked for this. Bello a simple code sample is given <TreeView Height="251" H... [More]

In one of our application we had to make sure that whether client have excel installed or not. We tried few codes and have some experience while resolving the solution. Bello the solution code is given to detect if client have excel 2007 installed or not.   The bellow code works fine. But it fails one single time. If the user installed excel but never run it. The registry keys are not built until the user run excel for the first time. so we had to change our message to inform user as “You... [More]

Background Some times we need to execute some custom task just before we build our solution or project, I have no idea how others IDE do that, but recently we have gathered some experience about Visual Studio 2008, and doing these kind of task became pretty easy. In one of our project we had to use a custom third-party component, the component is easy to incorporate in the project, but we have a problem, the component uses a d-com component which can not be added in the project, but if we keep... [More]

Windows from have web browser control since .net 2.0, WPF also introduced a browser control from .net 3.5 sp1, well the controls are very good as far as functionality is concern, i my self prefer windows forms browser since it have more control with the functionality. Today i encountered with a strange problem, in one of my application i used a modal dialog to present data as light box effect, inside the modal i added a browser control and then populated appropriate data, when i run the applica... [More]

"Days,months,years has past and I have been developing just about the same way I had started from the beginning of my career". The above statement is not valid, its a lie, and can not be true, in fact its impossible. In my day to day job, I had to work with Microsoft technology to deliver clients needs. I my self probe round the web searching knowledge about my area. Now the intricate part, each and every day lots of new technology is evolving. Microsoft is lunching many new technology. And ... [More]

In our organization we have finished a three day agile software development work shop. we had lots of fun in the workshop, and most of the developer in our organization is convinced to adapt the process. Its important for me that I share with the community about few resources about agile. few important links about agile http://agilemanifesto.org/ http://www.agile-online.org/ http://www.agilealliance.org/ http://en.wikipedia.org/wiki/Agile_software_development http://agilefaq... [More]

Introduction Hi, in this post I am going to share a simple knowledge about IIS. The knowledge is about how to expose local IIS to network, so that other network users in team can access and use the functionality. In a web application development team we might want to check our web sites not only in our local pc but also from other team members machine. That's why its necessary to expose IIS to network environment. Lets say we have a web application called "myweb" normally while development if... [More]

Introduction Tooltip is very important part of any modern software. It helps and suggests what to do with the any user interaction item control or what a particular content or legends means. In this article I am going to discuss about a small yet interesting feature of WPF, the “ToolTipService”. Using tooltip service we can do a good amount of customization on how we can display tooltip. let putdown a small example how we can define a tooltip of any content in xaml markup. <... [More]

Introduction In this short article we are going to see few tricks about WPF ItemsControl. ItemsControl is one of the simplest yet powerful control in WPF. ItemsControl is just like the repeater control in asp.net. It supports Binding and supports custom template to display the data. for detail study about power of ItemsControl please read MSDN documentation here. In this article we going to focus on how to display alternating item in ItemsControl and apply few effects on items of ItemsControl. ... [More]

Download source - 942.41 KB Table of Contents Development Platform Introduction Display a Modal Popup Close and Open Modal Popup Using Script Display an iframe Inside Modal Popup Close Popup from iframe Same Source Different Data in Side iframe Update Panel inside ModalPopupExtender Problem with Validator and Validator Callouts Using Modal Popup as Interaction Confirmation Dialog Su... [More]