lj_plc/Actions/Default/Mesnac.Action.Default/SynchroData/PreRow.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using Mesnac.Action.Base;
using Mesnac.Controls.Base;
using System.Windows.Forms;
using Mesnac.Codd.Session;

namespace Mesnac.Action.Default.SynchroData
{
    public class PreRow : DatabaseAction, IAction
    {
        public void Run(RuntimeParameter runtime)
        {
            base.RunIni(runtime); //必须调用

            #region 限定只对相同DataSource的数据表进行操作

            string mcDataSourceID = String.Empty;
            if (runtime.Sender is Mesnac.Controls.Base.IBaseControl)
            {
                mcDataSourceID = (runtime.Sender as Mesnac.Controls.Base.IBaseControl).MCDataSourceID;
            }

            #endregion

            foreach (IBaseControl cgrid in GetAllMCControls())
            {
                if (!String.IsNullOrEmpty(mcDataSourceID) && cgrid.MCDataSourceID != mcDataSourceID)
                {
                    continue;
                }
                DataGridView grid = runtime.Sender as DataGridView;
                if (grid == null)
                {
                    if (cgrid is DataGridView)
                    {
                        grid = cgrid as DataGridView;
                    }
                }
                if (grid == null)
                {
                    continue;
                }
                int index = 0;
                foreach (DataGridViewRow row in grid.SelectedRows)
                {
                    row.Selected = false;
                    index = row.Index;
                }
                if (index > 0)
                {
                    index = index - 1;
                }
                if (grid.Rows.Count > index)
                {
                    grid.Rows[index].Selected = true;
                }
                if (runtime.Sender is DataGridView)
                {
                    return;
                }
            }
        }
    }
}