SQL DELETE 语句语法 [英] SQL DELETE statement syntax

问题描述

尝试执行删除查询并得到以下错误

Trying to execute a delete query and getting the following error

查询表达式cname VALUES @cname"中的语法错误(缺少运算符).

Syntax error (missing operator) in query expression 'cname VALUES @cname'.

代码

Dim conn As OleDbConnection = New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & My.Settings.strFileName)
conn.Open()
Dim cmdText = "DELETE FROM products WHERE cname VALUES @cname"
Dim cmd As OleDbCommand = New OleDbCommand(cmdText, conn)
With cmd.Parameters
  .Add(New OleDbParameter("@cname", DataGridView1.Item("cname", i).Value))
End With
Dim dt As New DataTable("products")
cmd.ExecuteNonQuery()
conn.Close()
conn = Nothing

推荐答案

您编写删除语句的方式不正确.

The way you wrote your delete statement is not correct.

你应该这样写:

Dim cmdText = "DELETE FROM products WHERE cname = @cname"

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