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Asked: 2026-05-11T11:22:43+00:00

I have a C# application over MySql, using MySQL Connector ; I’m trying to

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I have a C# application over MySql, using MySQL Connector; I’m trying to make a DataReader request, the query executes fine, however, when trying to access a DateTime field, i’m getting MySqlConversionException {‘Unable to convert MySQL date/time value to System.DateTime’}

this is the prototype

if (dr != null && !dr.Read()) return;  sesion.Id = Convert.ToInt32(dr['id']); sesion.Usuario = Convert.ToInt32(dr['usuario']); sesion.Estado = Convert.ToByte(dr['estado']); // doesn't work sesion.FchCreacion = Convert.ToDateTime(dr['fch_creacion']);

Any suggestions? Thanks in advance

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1 Answer

  1. This error sometimes occurs if you have zero datetime values in your MySQL database (00/00/0000 00:00). Try adding this to the end of your connection string:

    Allow Zero Datetime=true
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