[Solved] String was not recognized as a valid DateTime from DateTimePicker

Assuming hdndate.Value is actually a string and its value is “28/04/2014”: Replace this: Convert.ToDateTime(hdndate.Value) With this: DateTime.ParseExact(hdndate.Value, “dd/MM/yyyy”, CultureInfo.InvariantCulture); DateTime.ParseExact allows you to specify the exact format of your input string, so that it can correctly generate a DateTime from it. In this case, your format is dd/MM/yyyy. solved String was not recognized as a … Read more