从 db mysql 到 sql 查询 C# 中的 datetimepicker 解析、解析精确字符串 (varchar)

Parse, parseexact string (varchar) from db mysql to datetimepicker in sql query C#

我在做winform的应用,它通过dateTimePicker1选择日期接收数据,并在datagridview中显示数据,显示完所有数据后应用将这些数据导出到excel。我的问题是我无法弄清楚如何制作列解析器(MySql 中的 dmeasurement1)并将其绑定到日期时间查看器并在 sql 查询中完成所有操作。

String userInput = Console.ReadLine();
        DateTime userDate = DateTime.Parse(userInput);

        string query = "SELECT * from EX_S[enter image description here][1]UM WHERE dmeasurement1 between '" + dateTimePicker2.Value.DateParse  + "'";
string query = "SELECT * FROM EX_SUM WHERE STR_TO_DATE(dmeasurement1, '%d.%m.%Y') BETWEEN '" + dateTimePicker1.Value.Date.ToString("yyyy/MM/dd").Replace("/", "-") + "' AND '" + dateTimePicker2.Value.Date.ToString("yyyy/MM/dd").Replace("/", "-") + " '"; //yyyy - MM - dd

将 varchar 转换为 datetimepicker C#