Dim cmd As new SQLCommand
Dim dt As DataTable
cmd.CommandText = "Select * from {表A}"
dt = cmd.ExecuteReader
'MessageBox.Show(dt.DataRows.Count)
'Return
Dim Book As New XLS.Book '定义一个Excel工作簿
Dim Sheet As XLS.Sheet = Book.Sheets(0) '引用工作簿的第一个工作表
Dim Style As Xls.Style = Book.NewStyle '新建一个样式
Style.BackColor = Color.Red '样式的背景颜色设为红色
For c As Integer = 0 To dt.dataCols.Count -1 '添加列标题
Sheet(0, c).Value = dt.dataCols(c).Name
Next
For r As Integer = 0 To dt.dataRows.Count - 1 '填入数据
For c As Integer = 0 To dt.dataCols.Count -1
Sheet(r +1, c).Value = dt.DataRows(r)(dt.dataCols(c).name)
Next
'If dt.rows(r)("折扣") >= 0.15 Then '如果折扣大于等于0.15
'Sheet(r + 1,dt.Cols("折扣").Index).Style = Style '设置折扣单元格的样式
'End If
Next
'打开工作簿
Book.Save("c:\dt.xls")
Dim Proc As New Process
Proc.File = "c:\dt.xls"
Proc.Start()