Records in database is not updating, or not inserting data using stored procedure and C#

protected void Button1_Click(object sender, EventArgs e)
    {
        /**String docID = docID_txt.Text;
        String pass = pass_txt.Text;**/

        System.Data.SqlClient.SqlCommand sqlCmd = new System.Data.SqlClient.SqlCommand();
        System.Data.SqlClient.SqlConnection connection = new System.Data.SqlClient.SqlConnection("Data Source=UPHMC-DC37; Initial Catalog=TrainingDB_UPHMC; User ID=sa; Password=2016Bizbox");
        sqlCmd = new System.Data.SqlClient.SqlCommand("A_Update_DoctorsPass_PFMonitor", connection);
        sqlCmd.Parameters.AddWithValue("@docID", docID_txt.Text.ToString());
        sqlCmd.Parameters.AddWithValue("@pass", pass_txt.Text.ToString());
        /**sqlCmd.CommandText = "Execute A_Update_DoctorsPass_PFMonitor";**/
        sqlCmd.CommandType = System.Data.CommandType.StoredProcedure;
        connection.Open();
        sqlCmd.ExecuteNonQuery();
        connection.Close();
    }

USE [X]
GO

/****** Object:  StoredProcedure [dbo].[A_Check_UserAccess_3]    Script Date: 3/12/2018 1:43:57 PM ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE Procedure [dbo].[A_Update_DoctorsPass_PFMonitor]
--Declare 
@docID as varchar(15),
@pass as varchar(100)

--set @EmpID = '4025'
--set @Pass = '1209'
AS

IF EXISTS(select A_PFMonitoring_Users.usercode from A_PFMonitoring_Users where A_PFMonitoring_Users.usercode = @docID)
   update A_PFMonitoring_Users set  A_PFMonitoring_Users.userpass=@pass where A_PFMonitoring_Users.usercode=@docID
ELSE
   insert into A_PFMonitoring_Users values(@docID, @pass)