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NET textbox, which event handler is better to use: Validating or Leave?
From what I understand, they both occur at the same time. Leave Event, the Leave event occurs right before the validating event.
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I am creating a Pocket PC program for a symbol scanner. One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
No point in validating anything when the user decides to dismiss the dialog.
When you display data entry functionality to users, you frequently have to validate the data entered into your form.
It is a shame that we can't use validation attributes on Uri parameters otherwise @alexanderb's recommendation would have worked. I would also like to infer the user's default blog Id if it is not specified in the request (for simplicity you can assume that default is the user's first blog). We have an My query logic for loading single items was updated to load by Post id and blog id (to avoid tenants loading/updating other peoples posts). In this walkthrough, you will retrieve rows from the column and tries to leave the cell, the Cell Validating event handler will examine new company name string to make sure it is not empty; if the new value is an empty string, the Data Grid View will prevent the user's cursor from leaving the cell until a non-empty string is entered.
To copy the code in this topic as a single listing, see How to: Validate Data in the Windows Forms Data Grid View Control.Blog Id when is an integral part of the operation, needs to be explicitly part of the resource identifier - hence I would put it simply in URL.