本文整理匯總了VB.NET中System.Data.DataRow類的典型用法代碼示例。如果您正苦於以下問題:VB.NET DataRow類的具體用法?VB.NET DataRow怎麽用?VB.NET DataRow使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了DataRow類的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: CreateNewDataRow
Private Sub CreateNewDataRow()
' Use the MakeTable function below to create a new table.
Dim table As DataTable
table = MakeNamesTable()
' Once a table has been created, use the
' NewRow to create a DataRow.
Dim row As DataRow
row = table.NewRow()
' Then add the new row to the collection.
row("fName") = "John"
row("lName") = "Smith"
table.Rows.Add(row)
Dim column As DataColumn
For Each column in table.Columns
Console.WriteLine(column.ColumnName)
Next
DataGrid1.DataSource=table
End Sub
Private Function MakeNamesTable() As DataTable
' Create a new DataTable titled 'Names.'
Dim namesTable As New DataTable("Names")
' Add three column objects to the table.
Dim idColumn As New DataColumn()
idColumn.DataType = System.Type.GetType("System.Int32")
idColumn.ColumnName = "id"
idColumn.AutoIncrement = True
namesTable.Columns.Add(idColumn)
Dim fNameColumn As New DataColumn()
fNameColumn.DataType = System.Type.GetType("System.String")
fNameColumn.ColumnName = "Fname"
fNameColumn.DefaultValue = "Fname"
namesTable.Columns.Add(fNameColumn)
Dim lNameColumn As New DataColumn()
lNameColumn.DataType = System.Type.GetType("System.String")
lNameColumn.ColumnName = "LName"
namesTable.Columns.Add(lNameColumn)
' Create an array for DataColumn objects.
Dim keys(0) As DataColumn
keys(0) = idColumn
namesTable.PrimaryKey = keys
' Return the new DataTable.
MakeNamesTable = namesTable
End Function