[Solved] SQL Stored Procedure: Data not getting updated

try
{
    using (SqlConnection con = new SqlConnection(Common.CommonFunction.cnn_Live))
    {
        SqlCommand cmd = new SqlCommand("Sp_Department", con);
        cmd.CommandType = CommandType.StoredProcedure;

        cmd.Parameters.Add("@EntryNo", SqlDbType.Int).Value = hdfDeleteID.Value;
        cmd.Parameters.Add("@Action", SqlDbType.NVarChar).Value = "D";
        con.Open();

        cmd.ExecuteNonQuery();

        string message = Common.CommonFunction.recordDeletedSucessfully;
        ShowMessage("Success", "Record Saved Successfully", "Success");
        GetData();

    }
}
catch (Exception ex)
{
    ShowMessage("Oops...", ex.Message, "error");
}

Stored Procedure

PROCEDURE [dbo].[sp_Department]
       @Action VARCHAR(1)
	  ,@EntryNo int = Null
      ,@Description VARCHAR(50) = NULL
	  ,@ShortName VARCHAR(25) = NULL
AS
BEGIN
      SET NOCOUNT ON;

      --UPDATE
      IF @Action = 'U'
      BEGIN
        UPDATE  dbo.Department
        SET Description = @Description, updatedon = GETDATE() WHERE docentry = @EntryNo
      END

      --DELETE
      IF @Action = 'D'
      BEGIN
        UPDATE dbo.Department
        SET status = 0 , updatedon = GETDATE() WHERE docentry = @EntryNo
      END
END

Thanks