我不知道如何使用查询分割数据...我想在WhERE子句上实现拆分,因为我试图选择数据WHERE子句的值用逗号分隔
我的示例查询
SELECT Name FROM Entry_time WHERE Edate = '"Combobox.selectedItem"'
我只希望这个日期
数据库中的数据值:星期五,02/21/15
首先,转换为DateTime,然后转换为Access SQL的格式化字符串表达式:
Dim FilterDate As DateTime
Dim FilterText As String
Dim Provider As System.Globalization.CultureInfo = New System.Globalization.CultureInfo("en-US")
FilterDate = DateTime.ParseExact(Combobox.selectedItem.Text.Split(",")(1).Trim(), "MM'/'dd'/'yy", Provider)
FilterText = FilterDate.ToString("yyyy'/'MM'/'dd")
SQL = "SELECT [Name] FROM Entry_time WHERE Edate = #" + FilterText + "#"