lj_plc/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjProportional/FrmProportional.cs

using System;
using System.Globalization;
using System.Windows.Forms;

namespace Mesnac.Action.ChemicalWeighing.LjProportional
{
    public partial class FrmProportional : Form
    {
        public FrmProportional()
        {
            InitializeComponent();
        }

        private int _id = 0;

        public FrmProportional(int id):this()
        {
            this._id = id;
            SV.MaxLength = 5;
            SV.Enabled = true;
            var view = new ProportionalPlc().UpFromPlc(id);
            if (view != null)
            {
                SV.Text = view.SV.ToString(CultureInfo.InvariantCulture);
            }
            
        }

       

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            string sv = SV.Text.Trim();
            if(!float.TryParse(sv,out var rs))
            {
                SV.Focus();
                MessageBox.Show("请输入正确的值");
                return;
            }

            var watchDoy = LjHelp.WatchDog;
            if (watchDoy == 0)
            {
               
                MessageBox.Show("PLC通讯失败");
                return;
            }
            

            ProportionalSettingView view = new ProportionalSettingView();
            view.Id = _id;
            view.SV = Convert.ToSingle(sv);

            var i = LjHelp.WatchDog;
            if (i == 0)
            {
                
                MessageBox.Show("PLC通讯失败");
                return;
            }
          
            new ProportionalPlc().DownToPlc(new []{view});
            ProportionalDB.Update(view);
           
            this.DialogResult = DialogResult.OK;
        }
    }
}