Add("Price", "Price") '---add a combobox column--- Dim combo Box Col As New Data Grid View Combo Box Column '---set the header text--- combo Box Col.
This event is fired when the user tries to edit the Combo Box control: Private Sub Data Grid View1_Editing Control Showing( _ By Val sender As Object, _ By Val e As System. Editing Control Showing Dim combo Box Column As Data Grid View Combo Box Column = _ Data Grid View1.
Here is my code: Private Sub Swipe Accumulative Hours Data Grid View_Cell Validating(By Val sender As Object, By Val e As System. Cell Validating If Swipe Accumulative Hours Data Grid View. So this has been an extremely intense learning curve because I've been a cobol/structured programming programmer. I only have 1 month left to show some results because they do not understand the learning curve for this (I mentioned an IT manager with no knowledge of this - who can't understand why this isn't as fast and easy as using excel)So I'm not sure getting the book to understand this will help me in my timeframe at the moment.
If the value must be numeric, is it possible for you to set the Data Type of the column of your data source to a numeric data type? Until you're familiar with all of the intricacies of ADO. Net book and practice creating your connections, datasets, dataadapters, commands, etc. It makes a lot more sense when you can see and create what's going on behind the scenes.
Data Property Name = "" End Try End If End Sub Thanks Kim Sorry I meant that the error is the error message that is in the message box. While debugging, it is helpful to see the actual error message. Anyways, it looks like you are working with Data Property Name, but it sounds like you really wanted to validate the value of the cell. I'm assuming you're creating your strongly typed datasets and table adapters with the GUI and kind of creating a RAD database program.
Add("Type C") '---create a combobox column--- Dim combo Box Col As New Data Grid View Combo Box Column '---set the header--- combo Box Col.
Header Text = "Types" '---add items to it--- combo Box Col.
routine, and try to add a word into your decimal field of your Data Grid View, and navigate off the record. Column Index Case 0 'Needs to be a decimal Message Box.
You should get a nasty looking error message on your screen. However, it's ugly, so you want to give the user a friendly message. You are interested in displaying a friendly error message for your first and second columns. Net arrays are zero based, so this would be Columns 0 & 1. Show("You must enter a valid decimal.") Case 1 'Needs to be a datetime Message Box. Just remember--don't get too caught up in the syntax at first.
I do have a visual basic 2005 - wrox book and 2 programing in visual basic books by Bradley and Millspaugh which I refer to alot. ----------------------------------------------------But just a little info on my situation.
I only have one column that I want to check if it is numeric and a date column that I'd like to validate. (I do remember seeing a visual basic how do I video where you put the validation on the dataset instead of in the code.)------------------------------------------I looked at amazon for books; is there one you suggest?
Displaying a Combo Box in Cell Frequently, besides displaying text in a cell you may want to display a drop-down list box to allow users to select from a list of pre-determined values.