Question

I am trying to update a DateTime object into a datetime field of a sql (SQL Server 2000) database.

I have the following function

Public Sub Update(ByVal lastlogin as DateTime)

Using slqupdate as SqlCommand = _connection.CreateCommand()
  sqlupdate.CommandType = CommandType.Text
  sqlupdate.CommandText = "UPDATE myTable SET LastLogin = @lastlogin WHERE ID = 2"

  updatelastlogin = sqlupdate.CreateParameter()
  updatelastlogin.ParameterName = "@lastlogin"
  updatelastlogin.DbType = SqlDbType.DateTime
  updatelastlogin.Value = lastlogin
  slqlupdate.Parameters.Add(updatelastlogin)

  sqlupdate.ExecuteNonQuery()    
End Using
End Sub

Attempting to call it as follows Update(DateTime.Now) produces the following Exception:

Failed to convert parameter value from
a DateTime to a Decimal.

I am not sure what I’ve done wrong, does anybody know?

Answer 1

Try SQLDBType instead of DBType