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copied!<p>If you need DevEx control that behaves like winforms standard combobox you should use <a href="http://documentation.devexpress.com/#WindowsForms/clsDevExpressXtraEditorsLookUpEdittopic" rel="nofollow">LookupEdit</a> control. </p> <p>From <a href="http://documentation.devexpress.com/#WindowsForms/clsDevExpressXtraEditorsComboBoxEdittopic" rel="nofollow">ComboBoxEdit documentation</a>: </p> <p><em>ComboBoxEdit combines the functionality of a single-line text editor with the dropdown window.<br> ComboBoxEdit items can be of any type. In the dropdown window and edit box, <strong>items are represented by their display texts (strings returned by the item's ToString method)</strong>. <strong>When you select an item from the dropdown, a corresponding object from the item collection is automatically assigned to the SelectedItem property.</strong> This property value matches the edit value available via the EditValue property.</em></p> <p>So, in ComboBoxEdit you can't have display and value member, it just displays string representations of items. </p> <p><strong>EDIT</strong>(bind dictionary to LookupEdit): </p> <pre class="lang-cs prettyprint-override"><code>LookUpEdit lookupEdit = new LookUpEdit(); Dictionary<string,string> dic = new Dictionary<string,string>(); dic["1"] = "jedan"; dic["2"] = "dva"; lookupEdit.Properties.ValueMember = "Key"; lookupEdit.Properties.DisplayMember = "Value"; lookupEdit.Properties.DataSource = dic.ToList(); // if you want to hide Key column LookUpColumnInfo keyColumnInfo = new LookUpColumnInfo("Key"); keyColumnInfo.Visible = false; lookupEdit.Properties.Columns.Add(keyColumnInfo); lookupEdit.Properties.Columns.Add(new LookUpColumnInfo("Value")); // set selected item lookupEdit.EditValue = "2"; </code></pre>

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