Vb.net 如何将Datagrid数据存储到数据库
我想将datagrid值存储到数据库中。我有一个名为projecttitle的专栏。我想将该列下的所有值添加到数据库…您正在开发哪种语言 vb.net中的示例:Vb.net 如何将Datagrid数据存储到数据库,vb.net,datagrid,Vb.net,Datagrid,我想将datagrid值存储到数据库中。我有一个名为projecttitle的专栏。我想将该列下的所有值添加到数据库…您正在开发哪种语言 vb.net中的示例: For i As Integer = 0 To DataGridView1.Rows.Count Dim obj As Object = DataGridView1.Rows(i).Cells(0).Value ' save in database Next 您可以将obj转换为自己的类型,然后
For i As Integer = 0 To DataGridView1.Rows.Count
Dim obj As Object = DataGridView1.Rows(i).Cells(0).Value
' save in database
Next
您可以将obj转换为自己的类型,然后将其保存到数据库中。这是填充
DataGridView
和DataTable
Private bindingSource1 As New BindingSource()
Private dataAdapter As New OleDbDataAdapter()
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim connectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=<FilePath>;User Id=username;Password=password;"
Dim selectCommand As String
Dim connection As New OleDbConnection(connectionString)
selectCommand = "SELECT * FROM...<YOUR SELECT Query>"
Me.dataAdapter = New OleDbDataAdapter(selectCommand, connection)
Dim commandBuilder As New OleDbCommandBuilder(Me.dataAdapter)
Dim table As New DataTable()
Me.dataAdapter.Fill(table)
Me.bindingSource1.DataSource = table
Dim data As New DataSet()
DataGridView1.DataSource = Me.bindingSource1
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim table As New DataTable()
Me.bindingSource1 = Me.DataGridView1.DataSource
table = Me.bindingSource1.DataSource
Me.dataAdapter.Update(table)
End Sub
End Class