bindingSource具体使用案例

来源：互联网发布：linux qt调试器未设置编辑：程序博客网时间：2024/06/05 17:57

界面如下：

using DevExpress.XtraBars.Docking;
using DevExpress.XtraEditors;
using NewPwrDY.DBEntity;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace NewPwrDY
{
    public partial class Frm_WorkOrder : XtraForm
    {
        public Frm_WorkOrder()
        {
            InitializeComponent();
            this.bindingSource.DataSource = this._WorkOrderList;
            this.gridView.OptionsBehavior.Editable = false;
            this.gridView.OptionsView.ColumnAutoWidth = true;
            this.gridView.OptionsView.ShowColumnHeaders = true;
            this.gridView.OptionsView.ColumnHeaderAutoHeight = DevExpress.Utils.DefaultBoolean.True;
        }

List<mes_work_order> _WorkOrderList = new List<mes_work_order>();

        protected override void OnShown(EventArgs e)
        {
            base.OnShown(e);
            this.dockPanel.Dock = DockingStyle.Float;
            int x = 500;
            int y = 250;
            Point p = new Point(x, y);
            this.dockPanel.FloatLocation = p;
        }

        private void Frm_WorkOrder_Load(object sender, EventArgs e)
        {
            this.backgroundWorker.RunWorkerAsync();
        }

        private void tsmiSearch_Click(object sender, EventArgs e)
        {
            this.gridView.ShowFindPanel();
        }

        private void tsmiAdd_Click(object sender, EventArgs e)
        {
            if (this.dockPanel.Visibility == DockVisibility.Hidden)
            {
                this.dockPanel.Show();
            }
            MessageBox.Show("新增", "提示：");
        }

        private void tsmiDelete_Click(object sender, EventArgs e)
        {
            MessageBox.Show("删除", "提示：");
        }

        private void tsmiEdit_Click(object sender, EventArgs e)
        {
            MessageBox.Show("编辑", "提示：");
        }

        private void tsmiSave_Click(object sender, EventArgs e)
        {
            MessageBox.Show("保存", "提示：");
        }

        private void tsmiCancel_Click(object sender, EventArgs e)
        {
            MessageBox.Show("取消", "提示：");
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            List<mes_work_order> WorkOrderList = this._WorkOrderList;
            MessageBox.Show("保存", "提示：");
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            MessageBox.Show("取消", "提示：");
        }

        private void gridView_RowCellClick(object sender, DevExpress.XtraGrid.Views.Grid.RowCellClickEventArgs e)
        {
            if (e.Clicks == 2 && this.dockPanel.Visibility == DockVisibility.Hidden)
            {
                this.dockPanel.Show();
            }
        }

        private void dockPanel_DockChanged(object sender, EventArgs e)
        {
            if (dockPanel.Dock.Equals(DockingStyle.Float))
            {
                this.dockPanel.FloatForm.MinimumSize = new Size(623, 401);
            }
        }

        private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
        {
            //DB_DYFDEntities _DbContext = new DB_DYFDEntities();
            //Dictionary<string, object> dic = new Dictionary<string, object>();
            //dic.Add(nameof(mes_work_order), _DbContext.mes_work_order.ToList());
            //e.Result = dic;
        }

        private void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            if (this.IsDisposed || e.Cancelled || e.Error != null)
            {
                return;
            }
            //Dictionary<string, object> dic = e.Result as Dictionary<string, object>;
            //if (dic != null)
            //{
            //    this._WorkOrderList = dic[nameof(mes_work_order)] as List<mes_work_order>;
            //}

            mes_work_order wo;
            for (int i = 0; i < 60; i++)
            {
                wo = new mes_work_order();
                wo.WorkOrderNo = DateTime.Now.ToString("yyyyMMddHHmmss")+i.ToString();
                wo.Seq = i;
                wo.ProductName = "产品" + (i + 1).ToString();
                wo.ProductSpec = "规格" + (i + 1).ToString(); ;
                wo.Qty = i + 1;
                wo.FinishQty = i;
                wo.WorkDate = DateTime.Now;
                this._WorkOrderList.Add(wo);

            }
            this.bindingSource.DataSource = this._WorkOrderList;
            //不加下面这句话，bindingSource的Position始终未-1
            this.bindingSource.ResetBindings(false);
            this.gridView.RefreshData();
        }

        private void bindingSource_CurrentChanged(object sender, EventArgs e)
        {
            mes_work_order mes_work_order= this.bindingSource.Current as mes_work_order;

this.tbxWorkOrderNo.DataBindings.Clear();
this.tbxWorkOrderNo.DataBindings.Add(nameof(tbxWorkOrderNo.Text), mes_work_order, nameof(mes_work_order.WorkOrderNo));

this.tbxSeq.DataBindings.Clear();
this.tbxSeq.DataBindings.Add(nameof(tbxSeq.Text), mes_work_order, nameof(mes_work_order.Seq));

this.tbxProductName.DataBindings.Clear();
this.tbxProductName.DataBindings.Add(nameof(tbxProductName.Text), mes_work_order, nameof(mes_work_order.ProductName));

this.tbxProductSpec.DataBindings.Clear();
this.tbxProductSpec.DataBindings.Add(nameof(tbxProductSpec.Text), mes_work_order, nameof(mes_work_order.ProductSpec));

this.tbxQty.DataBindings.Clear();
this.tbxQty.DataBindings.Add(nameof(tbxQty.Text), mes_work_order, nameof(mes_work_order.Qty));

this.tbxFinishQty.DataBindings.Clear();
this.tbxFinishQty.DataBindings.Add(nameof(tbxFinishQty.Text), mes_work_order, nameof(mes_work_order.FinishQty));

this.dpiWorkDate.DataBindings.Clear();
this.dpiWorkDate.DataBindings.Add(nameof(dpiWorkDate.Value), mes_work_order, nameof(mes_work_order.WorkDate));

this.tbxWorkOrderNo.DataBindings.Clear();
this.tbxWorkOrderNo.DataBindings.Add(nameof(tbxWorkOrderNo.Text), mes_work_order, nameof(mes_work_order.WorkOrderNo));

}
}
}

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