Windows forms readonly

Then a second variable to save the selected value. On form load set the selected value variable. Then set the read only variable when needed. If it's true, reset the combo box to the original value and exit the sub. It's been sometime since the question was asked but for those who still need an answer I found the following pretty helpful:. TabStop is false to make the Tab key behavior normal while the EventHandler should handle the case where the user manually enters the combobox.

Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows Forms Designer. Sign in to vote. Monday, September 26, AM. This can either be done through the designer or via code. Monday, September 26, PM. Exactly, the user still has a chance to change the values. Any other solution? Wednesday, November 8, AM. Wednesday, November 8, PM.

Wednesday, July 11, AM. IsEditable Property ComboBox. Thursday, July 19, PM. Proposed as answer by mjanz Tuesday, December 28, PM. Hi, Next code will make comboBox readOnly. Zero ; comboBox1. Friday, December 21, PM. ComponentModel Imports System. Simple Else cbo. Thursday, May 22, PM. Hi, I am using framwork 2. Thursday, July 10, PM. Wednesday, August 6, AM. Rance Downer The Code you provided Seems to work great for locking a combo box.

Friday, August 29, PM. Several dozen lines of code just to sort out the simple 'combobox. What on earth would MS overlook this?! Surely there must be a reason? Friday, February 13, AM. Wednesday, February 25, PM. Cannot stop learning. Thursday, December 17, PM.

You want this form to be presented to the user in "Read-only" mode when a record is first loaded from data. Then, if the user clicks an "Edit" button on the form, the controls become "Read-Write"; when they click a "Save" button, the data is saved and the controls revert to being "Read-only". Without a "Locked" property, this kind of user interaction becomes more difficult. In the case of comboboxes, you don't want the user to be able to change the selected item unless they are in "Read-Write" mode.

Regards, Ian Digby Digserv. Friday, January 8, PM. I cannot, some of the cells within a Column could be ReadOnly and others not. It depends on some flags.

For individual columns you need to loop and set it to true. It will be time-consuming, but I don't think there is any other alternative. DataBindingComplete event handler.

You can use CellBeginEdit event and set e. Object, e As System. Rows e. Cells "disable". Ismael Ismael 3 3 silver badges 7 7 bronze badges. I haven't tried this. But, you could set the cell's readonly property to true as per Rashmi , on RowEnter event? Does that help at all? Gilad Green Anindya Anindya 2, 2 2 gold badges 20 20 silver badges 25 25 bronze badges. I iterated through the datagrid with the following code: dataGridViewTest.

Kapitany Kapitany 1, 1 1 gold badge 4 4 silver badges 9 9 bronze badges. Once the column is read only see Rashmi's response you can handle this event I cannot put on ReadOnly a column because some of the cells within the same Column could be ReadOnly and others not. It might be worth giving it a try You can do this using the BeginningEdit event to check if the check if the cell meets a condition and cancel the operation if not: In the example below, if the cell already contains a value it will cancel the operation, deeming it as read only.

Source as TextBlock. Text; if! IsNullOrEmpty content e. Read Only Property Reference Is this page helpful? Please rate your experience Yes No. Any additional feedback? Namespace: System. Forms Assembly: System. Gets or sets a value indicating whether text in the text box is read-only.

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