本文整理汇总了VB.NET中System.Windows.Forms.BindingSource.Count属性的典型用法代码示例。如果您正苦于以下问题：VB.NET BindingSource.Count属性的具体用法？VB.NET BindingSource.Count怎么用？VB.NET BindingSource.Count使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Windows.Forms.BindingSource的用法示例。
在下文中一共展示了BindingSource.Count属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: SqlConnection
Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) _
Handles button1.Click
' Create the connection string, data adapter and data table.
Dim connectionString As New SqlConnection("Initial Catalog=Northwind;" & _
"Data Source=localhost;Integrated Security=SSPI;")
Dim customersTableAdapter As New SqlDataAdapter("Select * from Customers", _
connectionString)
Dim customerTable As New DataTable()
' Fill the adapter with the contents of the customer table.
customersTableAdapter.Fill(customerTable)
' Set data source for BindingSource1.
BindingSource1.DataSource = customerTable
' Set the label text to the number of items in the collection before
' an item is removed.
label1.Text = "Starting count: " + BindingSource1.Count.ToString()
' Access the List property and remove an item.
BindingSource1.List.RemoveAt(4)
' Remove an item directly from the BindingSource.
' This is equivalent to the previous line of code.
BindingSource1.RemoveAt(4)
' Show the new count.
label2.Text = "Count after removal: " + BindingSource1.Count.ToString()
End Sub
End Class