The BeginUpdate and EndUpdate methods allow bulk operations to occur without causing excessive repainting. Loading items into controls such as ListView and TreeView causes a repainting after each change. To prevent your control from being populated multiple times, a good practice is to always set the DataSource property last on controls such as ComboBox and ListBox, as follows: comboBox1.ValueMember = “Name” comboBox1.DisplayMember = “Name” comboBox1.DataSource = test Control Data Population This means your controls may inadvertently populate multiple times. When you change the ValueMember property on controls programmatically, it causes most controls to repopulate the data from the configured DataSource. Data Binding Optimizationĭata binding allows data to be processed automatically and displayed in controls such as ComboBox on the user interface (UI). You’ll need to have some level of familiarity with topics such as data binding and validation to follow along. ERRORPROVIDER CONTROL WINDOWSRather than focusing on a specific feature, it covers a variety of topics that will assist you in building fully functional and well performing Windows Forms applications.
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