Datagridview rowvalidating cancel dating in sterling
However, you'll need to add a button and one line of code to be able to save changes back to the database. Load 'TODO: This line of code loads data into the 'North Wind Data Set. If the user hovers over the red "eye ball" (it kinda looks like a lower-case "i") they will see the reason why the input was rejected. Cancel" method with some caution, as it will "lock down" the Data Grid View control, and not let the user move to any other row (or switch to any other control) until after the error is fixed.
Display Member = "Category Name" ' the column value you want displayed dgvc. Get Data() ' the child table ' some more tweaking dgvc. Automatic ' insert the new column at the same location Data Grid View1. Insert(index, dgvc)) Now the user can select the user-friendly Category strings and also is prevented from selecting a value that's not a valid Category ID If the 5 built-in column types is not sufficient, it is fairly easy to add a custom column type yourself.This custom Data Grid View column control is contained in 3 classes...A Column control that inherits from Data Grid View Column, a Cell control that inherits from Data Grid View Text Box Cell, and an Editing Control that implements the IData Grid View Editing Control interface The Masked Edit Column class is fairly straight forward; it only overrides one property (to ensure that the correct cell type it used).You can bind a Data Table to the control so the user can easily add/delete/modify data in a database. Products) End Sub By default, the automatically generated columns may need some tweaking.Let's say that you have a Microsoft Access database that you plan to use in your program. For example, all columns are aligned to the left and have have no formatting.