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当我尝试将值传递给数据适配器,但我得到的错误“并不是所有的变量绑定”:未绑定所有的变量参数传递
Dim strSql As String = "SELECT * FROM table WHERE A_DT>:a AND B_DT<:b"
Dim conn As New OleDb.OleDbConnection(strConn)
Dim datData As New OleDb.OleDbDataAdapter(strSql, CType(conn, OleDb.OleDbConnection))
Dim dtbdata As New DataTable
datData.SelectCommand.Parameters.Add(":a", OleDb.OleDbType.DBDate).Value = Date.Parse(A_Date)
datData.SelectCommand.Parameters.Add(":b", OleDb.OleDbType.DBDate).Value = Date.Parse(B_Date)
datData.Fill(dtbdata) '<--- Error happen in this line