Datagridview validating edit
Although the Customers table contains many columns, you will restrict your examples to use the Customer ID, Company Name, Contact Name, and Country columns only.You will develop a Windows application that displays data from Customers table using the Data Grid View control.No wonder the Data Grid View control is popular amongst Windows Forms developers.The Data Grid View control has many enhancements over the earlier Data Grid and it is worthwhile for any Windows developer to master this control.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.
Add("Price", "Price") '---create a new bindingsource control--- Dim bindingsource As New Binding Source '---add the items into the control--- bindingsource. Header Text = "Types" '---data bind it--- combo Box Col. The following code snippet adds a Combo Box control to the fifth column of the Data Grid View control: '---add columns to the Data Grid View control--- Data Grid View1. An alternative way would be to add the items to the Data Grid View Combo Box Column control directly, as shown: '---adding columns--- Data Grid View1. 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.
How to efectively validate data entry inside a Data Grid View. Late Validation: This validation is performed after the user is done entering data.