C#

public class GenericFactory<T> where T : new()
{
  public T Create(){
     return new T();
  }
}

System.InvalidCastException: Unable to cast object of type 'System.DateTime' to type 'System.String'.

SayamiSuchi wrote:

but didn't work.

DateTime dateTime = (DateTime)dataReader["columnName"]

DateTime dateTime = (DateTime)sqlParameter.Value;

CREATE TABLE [dbo].[tblTest](
	[ID] [int] IDENTITY(1,1) NOT NULL,

	[Date] [datetime] NULL	)

DateTime createdDate;
          SqlCommand command = new SqlCommand("SELECT ID,Date FROM tblTest WHERE ID = '1'", myConnection);


          SqlDataReader result = command.ExecuteReader();
          if (result.Read())
          {
              //set the editor text

              createdDate = result.GetString(1);
          }

System.InvalidCastException: Unable to cast object of type 'System.DateTime' to type 'System.String'.

createdDate =(DateTime)(result.GetString(1));

if (!result.IsDBNull(1))
  createdDate = result.GetDateTime(1);