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I am facing a problem in setting the combo property such that only user can select the values form given items, but I cannot write in the combo box.
How can I do so in C#?
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To make the text portion of a ComboBox non-editable, set the DropDownStyle property to "DropDownList". The ComboBox is now essentially select-only for the user. You can do this in the Visual Studio designer, or in C# like this: stateComboBox.
Right click the Combo Box you want to disable typing, then click Properties from the right-clicking menu. See screenshot: 3. In the Properties dialog box, select 2 – fmStyleDropDownList from the Style drop-down list, and then close this dialog box.
Set the DropDownStyle property of the combobox to DropDownList . This will allow only items in the list to be selected and will not allow any free-form user input.
Just change the DropDownStyle to DropDownList. Or if you want it completely read only you can set Enabled = false, or if you don't like the look of that I sometimes have two controls, one readonly textbox and one combobox and then hide the combo and show the textbox if it should be completely readonly and vice versa.
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