如何在.NET中以编程方式获取SQL Server中VIEW的sql代码

Question

首先,我可以使用这些简单的方法获取View的基表和列.

Private Function GetBasetableFromSql(ByVal viewTable As String) As Integer
    Dim dt As New DataTable
    Try
        Dim sqlConn As SqlConnection
        sqlConn = New SqlConnection("Data Source=xxx;Initial Catalog=xxx_MMS;User ID=xxx;Password=xxxx")
        sqlConn.Open()
        Dim ta As SqlDataAdapter
        Dim strSql As String 
         strSql = "SELECT DISTINCT VIEW_NAME,c.TABLE_NAME " + _ 
                   FROM    INFORMATION_SCHEMA.VIEW_COLUMN_USAGE AS cu JOIN    
                   INFORMATION_SCHEMA.COLUMNS AS c ON  c.TABLE_SCHEMA  = 
                   cu.TABLE_SCHEMA AND  c.TABLE_CATALOG = cu.TABLE_CATALOG AND     
                   c.TABLE_NAME    = cu.TABLE_NAME AND     c.COLUMN_NAME   = cu.COLUMN_NAME" & _
            " WHERE VIEW_NAME = '" & ViewTableName & "'"
        ta = New SqlDataAdapter(strSql, sqlConn)

        ta.Fill(dt)

        For Each dr As DataRow In dt.Rows
            dgvRootTable.Rows.Add(dr(0), dr(1))
        Next
        sqlConn.Close()

    Catch ex As Exception
        MessageBox.Show(ex.Message)
    End Try
    Return dt.Rows.Count
End Function

但是一些View是由复杂的查询创建的.所以我需要从之前的视图中获取sql代码并使用正则表达式的方式(如果有另一种方法.请告诉我.)从sql代码字符串中获取表和列.但我不知道如何通过编程方式获取sql代码？

Sameple View是由sql代码创建的

如果我能得到基本表和列.我将在这样的文档中创建结果

**View Table :** V_PO_SCRAP_NG_DTLS
[SCRAP_NG_DTLS].[TRAN_ID]
[SCRAP_NG_DTLS].[SEQ_NO]
[SCRAP_NG_DTLS].[CAUSE-OF-NG-JD]
[SCRAP_NG_DTLS].[CAUSE_OF_NG_DESCR]
[SCRAP_NG_DTLS].[NG_QTY]

Answer 1

如果要查看sql脚本视图,可以使用以下命令.您可以使用相同的命令来获取存储过程的sql脚本,然后按Ctrl + T以文本格式查看结果.

sp_helptext 'yourViewName or ProcedureName'