Handling IE Modal Dialogs In Coded UI

            try
            {
                BrowserWindow browserWindow = new BrowserWindow();
                browserWindow.PerformDialogAction(BrowserDialogAction.Ok);
            }
            catch (Exception)
            {
                // If a popup does not exists and an error is thrown, continue...
                Playback.PlaybackSettings.ContinueOnError = true;
            }

=======================

//Launch browser

BrowserWindow browser = BrowserWindow.Launch("C:\\Users\\v-zuqu......");

//Create Control for Hyperlink that u want to click..

UITestControl control = new UITestControl(browser);

control.TechnologyName = "Web";//u can see technology name in search properties window by spying on Hypelink using CodedUITest Builder

control.SearchProperties.Add("Id","xxxx","ControlType","Hyperlink"....);//u can see the search properties by spying on the control

//Wait for the above control after launching the browser

control.WaitForControlReady();

//Now, click on that Control

Mouse.Click(control);

//you u will get IE pop-up..so..create IE pop-up control

UITestControl popup = new UITestControl(null);

popup.TechnologyName = "MSAA";

popup.SearchProperties.Add("Name","xxxxx","ClassName","xxxxx"......);//u can add more search properties by looking at Search properties window.

//u need to click on yes button..so, create control for that..as...

UITestControl yesBtn = new UITestControl(popup);

yesBtn.TechnologyName = "MSAA";

yesBtn.SearchProperties.Add("Class","xxxx","Name","xxxx"....);//add search properties by looking at Search properties window

//Click on yes button, if ur unable to click on yes button first write "popup.SetFocus();" and then click on yes button

Mouse.Click(yesBtn);

//Now close thebrowser using the following code.

browser.Close();