本文整理匯總了VB.NET中System.Data.DataRow.Item屬性的典型用法代碼示例。如果您正苦於以下問題：VB.NET DataRow.Item屬性的具體用法？VB.NET DataRow.Item怎麽用？VB.NET DataRow.Item使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類System.Data.DataRow的用法示例。
在下文中一共展示了DataRow.Item屬性的6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: SetDataRowValue
Private Sub DataGrid1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs)
Dim dataGridTable As DataTable = _
CType(DataGrid1.DataSource, DataTable)
' Set the current row using the RowNumber
' property of the CurrentCell.
Dim currentRow As DataRow = _
dataGridTable.Rows(DataGrid1.CurrentCell.RowNumber)
Dim column As DataColumn = dataGridTable.Columns(1)
' Get the value of the column 1 in the DataTable.
label1.Text = currentRow(column).ToString()
End Sub
Private Sub SetDataRowValue( _
ByVal grid As DataGrid, ByVal newVal As Object)
' Set the value of a column in the last row of a DataGrid.
Dim table As DataTable = CType(grid.DataSource, DataTable)
Dim row As DataRow = table.Rows(table.Rows.Count - 1)
Dim column As DataColumn = table.Columns("FirstName")
row(column)= newVal
End Sub示例2: SetDataRowValue
Private Sub DataGrid1_Click _
(ByVal sender As System.Object, ByVal e As System.EventArgs)
' Get the DataTable the grid is bound to.
Dim thisGrid As DataGrid = CType(sender, DataGrid)
Dim table As DataTable = CType(thisGrid.DataSource, DataTable)
Dim currentRow As DataRow = _
table.Rows(thisGrid.CurrentCell.RowNumber)
' Get the value of the column 1 in the DataTable.
Console.WriteLine(currentRow(1))
' You can also use the name of the column:
' Console.WriteLine(currentRow("FirstName"))
End Sub
Private Sub SetDataRowValue( _
ByVal grid As DataGrid, ByVal newValue As Object)
' Set the value of the last column in the last row of a DataGrid.
Dim table As DataTable
table = CType(grid.DataSource, DataTable)
Dim row As DataRow
row = table.Rows(table.Rows.Count-1)
row(table.Columns.Count-1) = newValue
End Sub示例3: SetDataRowValue
Private Sub DataGrid1_Click( _
sender As Object, e As System.EventArgs)
' Get the DataTable the grid is bound to.
Dim thisGrid As DataGrid = CType(sender, DataGrid)
Dim table As DataTable = _
CType(thisGrid.DataSource, DataTable)
Dim currentRow As DataRow = _
table.Rows(thisGrid.CurrentCell.RowNumber)
' Get the value of the column 1 in the DataTable.
Console.WriteLine(currentRow("FirstName"))
' You can also use the index:
' Console.WriteLine(currentRow(1).ToString())
End Sub
Private Sub SetDataRowValue( _
grid As DataGrid, newValue As Object)
' Set the value of the first column in
' the last row of a DataGrid.
Dim table As DataTable = _
CType(grid.DataSource, DataTable)
Dim row As DataRow
row = table.Rows((table.Rows.Count - 1))
row("FirstName") = newValue
End Sub示例4: CType
Private Sub DataGrid1_Click _
(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim dataGridTable As DataTable = _
CType(DataGrid1.DataSource, DataTable)
' Set the current row using the RowNumber
' property of the CurrentCell.
Dim currentRow As DataRow = dataGridTable.Rows( _
DataGrid1.CurrentRowIndex)
Dim column As DataColumn = dataGridTable.Columns(1)
' Get the value of the column 1 in the DataTable.
label1.Text = currentRow(column, _
DataRowVersion.Current).ToString()
End Sub示例5: CType
Private Sub DataGrid1_Click _
(ByVal sender As System.Object, ByVal e As System.EventArgs)
' Set the current row using the RowNumber property of the CurrentCell.
Dim currentRow As DataRow = CType(DataGrid1.DataSource, DataTable). _
Rows(DataGrid1.CurrentCell.RowNumber)
' Get the value of the column 1 in the DataTable.
label1.Text = currentRow(1, DataRowVersion.Current).ToString()
End Sub示例6: CType
Private Sub DataGrid1_Click _
(ByVal sender As System.Object, ByVal e As System.EventArgs)
' Set the current row using the RowNumber property
' of the CurrentCell.
Dim currentRow As DataRow = _
CType(DataGrid1.DataSource, DataTable). _
Rows(DataGrid1.CurrentCell.RowNumber)
' Print the current value of the column named "FirstName."
Console.WriteLine(currentRow("FirstName", _
DataRowVersion.Current).ToString())
End Sub