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POASP.NET: Why does ListControl.Text return the *value* of the selected ListItem rather than the *text*?
 

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  1. POASP.NET: Why does ListControl.Text return the *value* of the selected ListItem rather than the *text*?
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    <p>List controls deriving from <code>ListControl</code>, such as <code>DropDownList</code>, <code>ListBox</code> or <code>RadioButtonList</code>, are populated by a list of <code>ListItem</code>s. A <code>ListItem</code> has a <code>Value</code> and a <code>Text</code> property.</p> <p><code>ListControl</code> offers the following methods to access the currently selected item:</p> <ul> <li><code>ListControl.SelectedItem</code> returns the currently selected <code>ListItem</code>,</li> <li><code>ListControl.SelectedValue</code> returns the <code>Value</code> property of the currently selected <code>ListItem</code>.</li> </ul> <p>Now, the interesting thing is:</p> <ul> <li><code>ListControl.Text</code> returns exactly the same value as <code>ListControl.SelectedValue</code>. It does <em>not</em> return <code>SelectedItem.Text</code>, as one might expect.</li> </ul> <p>This is <a href="http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.listcontrol.text.aspx" rel="nofollow noreferrer">by design</a>:</p> <blockquote> <p><strong>ListControl.Text Property</strong></p> <p>Gets or sets the SelectedValue property of the ListControl control.</p> <p>[...]</p> <p><strong>Remarks</strong></p> <p>The Text property gets and sets the same value that the SelectedValue property does.</p> </blockquote> <p>This seems counter-intuitive and <a href="https://stackoverflow.com/questions/5232093">confuses people</a>. My question is: Why was it done this way? I can imagine that providing a <code>Text</code> property is necessary for implementing the <code>ITextControl</code> interface, but why on earth would you choose to have it return the <code>Value</code> of the ListItem rather than the <code>Text</code>?</p>
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