Imports System.Data.SqlClient


Public Class eform_measure
    Dim cmd As New SqlCommand
    Dim da As New SqlDataAdapter
    Dim sql As String
    Dim colorArray(10) As Color
    Dim conn As New SqlConnection

    Private Sub eform_measure_Load(sender As Object, e As EventArgs) Handles MyBase.Load


        conn.ConnectionString = connstring



        cmd.Connection = conn



        sql = "WITH CTE AS (SELECT timestamp, data, PATINDEX('%[^0-9.-]%', data) AS pos
           FROM HT_sf), CTE2 AS
    (SELECT timestamp, data, CASE WHEN pos > 0 THEN LEFT(data, pos - 1) ELSE data END AS data1, 
       CASE WHEN pos > 0 THEN SUBSTRING(data, (pos - 1) + PATINDEX('%[0-9.-]%', SUBSTRING(data, pos, 
       LEN(data))), LEN(data)) ELSE NULL END AS data2_orig
  FROM CTE AS CTE_1)
    SELECT timestamp, data, data1, CASE WHEN data2_orig IS NOT NULL AND CONVERT(DECIMAL(18, 2), data2_orig) 
      >= 0 THEN N'合计' + CONVERT(VARCHAR(20), CONVERT(DECIMAL(18, 2), data2_orig)) 
      ELSE '' END AS data2
  FROM CTE2 AS CTE2_1
  ORDER BY timestamp DESC"
        cmd.CommandText = sql

        Dim dt As New DataTable

        da.SelectCommand = cmd
        da.Fill(dt)


        DataGridView1.DataSource = dt

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        sql = "WITH CTE AS (SELECT timestamp, data, PATINDEX('%[^0-9.-]%', data) AS pos
           FROM HT_sf), CTE2 AS
    (SELECT timestamp, data, CASE WHEN pos > 0 THEN LEFT(data, pos - 1) ELSE data END AS data1, 
       CASE WHEN pos > 0 THEN SUBSTRING(data, (pos - 1) + PATINDEX('%[0-9.-]%', SUBSTRING(data, pos, 
       LEN(data))), LEN(data)) ELSE NULL END AS data2_orig
  FROM CTE AS CTE_1)
    SELECT timestamp, data, data1, CASE WHEN data2_orig IS NOT NULL AND CONVERT(DECIMAL(18, 2), data2_orig) 
      >= 0 THEN N'合计' + CONVERT(VARCHAR(20), CONVERT(DECIMAL(18, 2), data2_orig)) 
      ELSE '' END AS data2
  FROM CTE2 AS CTE2_1
  ORDER BY timestamp DESC"
        cmd.CommandText = sql

        Dim dt As New DataTable

        da.SelectCommand = cmd
        da.Fill(dt)


        DataGridView1.DataSource = dt


    End Sub
End Class