If I have a long list of objects that each has the possibility of returning null within a \"Linq where\" clause, e.g.
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in a service application I am iterating through the Windows application event log to parse Events in order react 开发者_JAVA技巧depanding on the entry message.
I have the following code. XElement opCoOptOff = doc.Descendants(ns + \"OpCoOptOff\").FirstOrDefault();
I have created a coded ui test that checks something in my software. It worke开发者_JAVA百科d fine, but now I keep getting null reference exception when I try to interact with my UITestControls (that
Here\'s my code: if (dataGrid.CurrentColumn.DisplayIndex == 1) txtArticle.Text += \" \" + ((TextBlock)dataGrid.CurrentColumn.GetCellContent(dataGrid.SelectedItem)).Text + \" \";
Maybe asking the question betrays my lack of knowledge about the process, but then again, there\'s no better reason to ask!
Attempting to recursively add XElements stepping through a category list. XElement dataResponse = new XElement(\"Categories\",
I created a clean WindowsFormsApplication solution, added a ToolStrip to the main form, and placed one button on it. I\'ve added also an OpenFileDialog, so that the Click event of the ToolStripButton