Datagridviewcomboboxcolumn cellvalidating

I want to be able to just start typing after I click once, and have the cell properly add the value when I hit Enter. Try using the suggested code from here in the Cell Click event to programmatically show the dropdown on first click.I have a windows form application where user enters a value in the Data Gridview text column , according to the value entered a combobox column value should change Eg: when user enter 10 in a Data Grid View Text Box Column the value in the Data Grid View Combo Box Column should change (Data Grid View Combo Box Column value items are entered in the design time as Pass, Critical, Not Critical , that comes as a combo box value set . “Pass” and so on private void Grd View QCS_Cell Validating(object sender, Data Grid View Cell Validating Event Args e) void Grd View QCS_Editing Control Showing(object sender, Data Grid View Editing Control Showing Event Args e) Here the value for cmbox always becomes null so nothing happens …. I tried sender = dgv Sender and the data Grid View cell still doesn't take the new value. -Sometimes the answer to your question is the hack that works I changed the textboxes to variables on your code and ran it fine and it correctly changed dvg Test but that still didn't help me change the cell value.I start typing and hit Enter, and I get a blank item added to the list and activated.Now, if after I click once causing the dropdown, I click again and type my new item, it adds just fine. I'm not sure what's actually happening behind the scenes but it seems like the validating event takes the value entered before it gets sent to the datagridview, validates it, then passes it to the datagridveiw.

What currently happens is that when I click the cell, it drops down and highlights the active value at the top.

check for the calling control being a textbox, if not, return; since you use the event only for input from textbox that changes combobox , right? go to the with with the combombox, wich i assume will be in the same row, but different column, and get the combobox from that cell 3.

change that select index, Column index is readonly how to assign or change it ? Editing Control Showing = new Data Grid View Editing Control Showing Event Handler(Grd View QCS_Editing Control Showing); is the place where the event fires, so no idea on how to change it ?

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If this isn't what I want (I simply want this column to list "normal" time possibiliies while allowing a user to manually enter their own times if neccessary), do you know how to populate a DGVCombo Box with a list of values that operates like a "lookup" list and also allows for user entry?

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I have a Data Grid View Combo Box that is bound to a simple "lookup" dataset (5 sec = 500, 10 sec = 1000, etc.) How do I allow a user to manually enter a different time (i.e. Any change you want to do, has to be done on the object that the grid is bound to, not the combobox itself.

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