Vb.net 我试图找出如何创建一个方法来设置datatable上的主键
我希望能够传递一个或多个列名称字符串。然后,该方法将这些列设置为主键 正在进行的代码Vb.net 我试图找出如何创建一个方法来设置datatable上的主键,vb.net,methods,datatable,primary-key,Vb.net,Methods,Datatable,Primary Key,我希望能够传递一个或多个列名称字符串。然后,该方法将这些列设置为主键 正在进行的代码 public sub setPK(ParamArray columnNames As String()) Dim primaryKeyColumns As List(Of System.Data.DataColumn) For Each s As String In columnNames primaryKeyColumns.Add(dataTable.Columns(s))
public sub setPK(ParamArray columnNames As String())
Dim primaryKeyColumns As List(Of System.Data.DataColumn)
For Each s As String In columnNames
primaryKeyColumns.Add(dataTable.Columns(s))
Next
dataTable.PrimaryKey = New System.Data.DataColumn() {primaryKeyColumns}
End Sub
如有任何帮助/建议,我将不胜感激
Public Sub setPK(ParamArray columnNames As String())
Dim primaryKeyColumns(columnNames.Count - 1) As System.Data.DataColumn
For i As Integer = 0 To columnNames.Count - 1 Step 1
primaryKeyColumns(i) = dataTable.Columns(columnNames(i))
Next
dataTable.PrimaryKey = primaryKeyColumns
End Sub