Unable to convert MySQL date time value to System DateTime

Question

I get this error      Unable to convert MySQL date time value to System DateTime   while I am trying to fetch the data from a MySQL database  I have the date datatype in my MySQL database  But while retrieving it into my datatable  it get the error above   How can I fix this

User · Answer

In a Stimulsoft report add this parameter to the connection string  right click on datasource- edit   Convert Zero Datetime True

User · Answer

You must add Convert Zero Datetime True to your connection string  for example   server localhost User Id root password mautauaja Persist Security Info True database test Convert Zero Datetime True

User · Answer

if  allow zero datetime true  is not working then use the following sollutions -  Add this to your connection string    allow zero datetime no  - that made the type cast work perfectly

User · Answer

You can make the application fully compatible with the date and time that is used by MySql  When the application runs at runtime provide this code  First Go to the Application Events  In the list of tools   Go to the project Project Properties Select the Application tab View Application Events   This will open a new file  This file contains code used at the start of the application   Write this code in that new file    Partial Friend Class MyApplication      Private Sub MyApplication Startup ByVal sender As Object  ByVal e As Microsoft VisualBasic ApplicationServices StartupEventArgs  Handles Me Startup         My Application ChangeCulture  en           My Application ChangeUICulture  en           My Application Culture DateTimeFormat ShortDatePattern    yyyy-MM-dd          My Application Culture DateTimeFormat LongDatePattern    yyyy-MM-dd          My Application Culture DateTimeFormat LongTimePattern    HH mm ss          My Application Culture DateTimeFormat ShortTimePattern    HH mm ss      End Sub   End Class

User · Answer

i added both Convert Zero Datetime True  amp  Allow Zero Datetime True and it works fine

User · Answer

Let MySql convert your unix timestamp to string  Use the mysql function FROM UNIXTIME  113283901

User · Answer

If I google for  Unable to convert MySQL date time value to System DateTime  I see numerous references to a problem accessing MySQL from Visual Studio  Is that your context   One solution suggested is      This is not a bug but expected   behavior  Please check manual under   connect options and set  Allow Zero   Datetime  to true  as on attached   pictures  and the error will go away    Reference  http   bugs mysql com bug php id 26054

User · Answer

I also faced the same problem  and get the columns name and its types  Then cast col Name as Char  from table name  From this way i get the problem as  0000-00-00 00 00 00  then I Update as valid date and time the error gets away for my case

User · Answer

Rather than changing the connection string  you can use the IsValidDateTime property of the MySqlDateTime object to help you determine if you can cast the object as a DateTime   I had a scenario where I was trying to load data from an  UpdateTime  column that was only explicitly set when there was an update to the row  as opposed to the InsertedTime which was always set   For this case  I used the MySqlDataReader GetMySqlDateTime method like so   using  MySqlDataReader reader   await MySqlHelper ExecuteReaderAsync             if  await reader ReadAsync                  DateTime  updateTime   reader GetMySqlDateTime  UpdateTime   IsValidDateTime    DateTime  reader  UpdateTime     null

User · Answer

Pull the datetime value down as a string and do a DateTime ParseExact value   ddd MMM dd hh mm ss yyyy   culture  styles   You would just need to set the date format up for the date you are returning from the database  Most likely it s yyyy-MM-dd HH mm ss  At least is is for me    Check here more info on the DateTime ParseExact

[.net] Unable to convert MySQL date/time value to System.DateTime

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