如何在SQL服务器组中提取可用SQL服务器列表?我打算把这个列表放在VB.NET的组合框中。
答案 0 :(得分:5)
我知道这样做的唯一方法是使用命令行:
osql -L
但是我发现下面的文章似乎解决了填充组合框的具体目标:
答案 1 :(得分:5)
如果你不想被绑定到SQL Ben's article使用的SQL SMO,你可以做这样的事情来发现你网络上的所有SQL服务器:
Private Sub cmbServer_DropDown(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbServer.DropDown
Dim oTable As Data.DataTable
Dim lstServers As List(Of String)
Try
If cmbServer.Items.Count = 0 Then
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor
oTable = System.Data.Sql.SqlDataSourceEnumerator.Instance.GetDataSources
For Each oRow As DataRow In oTable.Rows
If oRow("InstanceName").ToString = "" Then
cmbServer.Items.Add(oRow("ServerName"))
Else
cmbServer.Items.Add(oRow("ServerName").ToString & "\" & oRow("InstanceName").ToString)
End If
Next oRow
End If
Catch ex As Exception
ErrHandler("frmLogin", "cmbServer_DropDown", ex.Source, ex.Message, Ex.InnerException)
Finally
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default
If oTable IsNot Nothing Then
oTable.Dispose()
End If
End Try
End Sub
SqlDataSourceEnumerator类很好,因为它为您提供了2.0框架之外的SQL服务器发现。
答案 2 :(得分:0)
在C#中我使用了对odbc32.dll的调用
例如:
[DllImport("odbc32.dll", CharSet = CharSet.Ansi)]
private static extern short SQLBrowseConnect(
IntPtr hconn, StringBuilder inString,
short inStringLength, StringBuilder outString, short outStringLength, out short
outLengthNeeded);
该功能的文档位于MSDN