/// <summary>
    /// Remove an employee from project
    /// </summary>
    private void RemoveEmployee()
    {
        try
        {
            Project projectObject = new Project();
            projectObject.ID          = projectDropDownList.SelectedItem.Value;
            projectObject.Employee_Id = employeeDropDownList.SelectedItem.Value;
            ProjectGateway ProjectGatewayObject = new ProjectGateway();
            string         employeeRemoveStatus = ProjectGatewayObject.RemoveEmployeeFromProject(projectObject).ToString();
            successLabel.Text = employeeRemoveStatus;

            if (successLabel.Text == "True")
            {
                successLabel.Text = "Removed the employee to the project";
            }

            errorLabel.Text = "";
        }
        catch (SqlException sqlExceptionObject)
        {
            errorLabel.Text = sqlExceptionObject.Message;
        }
        catch (Exception exceptionObject)
        {
            errorLabel.Text = exceptionObject.Message;
        }
    }