Vb net cellvalidating e cancel

Cancel = Trueによりtxt Sizi Su(テキストボックス)をクリックしても txt Sizi Su(テキストボックス)のEnterイベントは発生しないはずです。 しかし何度もtxt Sizi Su(テキストボックス)をクリックするとまれに Enterイベントは発生してしまいます。 これは不具合なのでしょうか?それとも私のコードに問題があるのでしょうか? 質問者:マー坊 マー坊さんの書き込み (2005-05-09 ) より: 本来ならtxt Jiseki Su(テキストボックス)でのValidatingイベント のe. Cancel = Trueによりtxt Sizi Su(テキストボックス)をクリックしても txt Sizi Su(テキストボックス)のEnterイベントは発生しないはずです。 しかし何度もtxt Sizi Su(テキストボックス)をクリックするとまれに Enterイベントは発生してしまいます。 これは不具合なのでしょうか?それとも私のコードに問題があるのでしょうか? ご指摘のイベント発生順序は ひとつのコントロールについて 述べられているのでは? コントロール1 の Validating と コントロール2 の Enter の発生順序については記述されていないですよね? コントロール1 の入力検査が完了していないのに 他のコントロール2 に Enter/Got Focus するのは不便な気がします。けど、5. __________________________________________________________________________刚才的问题解决了,还想问一下,当check失败时,用e. Cancel = True返回到当前cell,如何能够选中当前cell里的值,想textbox的selectall方法? __________________________________________________________________________不是吧,这个论坛怎么连个强人都没有。__________________________________________________________________________还有个问题: 在Cell Validating事件中,用 e. Back Color = 让当前cell的背景变颜色,但是,变颜色只是cell中间的一部分变了,还有很宽的一部分还是以前的颜色。谁知道还有其他办法吗? 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?

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.

Show("Amount - Must enter a numeric field", "", Message Box Buttons. You're covering up the actual error message with your own. Message), or set a break point to check out the error message. Kim, Here is some advice which you can choose to accept or disregard, it's up to you.

I am new to vb and am teaching myself so I'd appreciate help in understanding how cell validation works. Data Grid View Cell Validating Event Args) Handles Swipe Accumulative Hours Data Grid View. Data Property Name "" Then Try 'check if numeric Swipe Accumulative Hours Data Grid View. So I have to catch up (my deadline didn't change and I also needed to learn Crystal reports for my reports, and had framework security issues that used up alot of time).

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.

I've copied some code from someone elses thread and made some changes. I had no idea at the time that the IT manager has absolutly no IT experience.

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