GIS_cs/WWPipeLine/WWPipeLine.Map/Tools/Conditions/Statistics/GDshuliang.cs

using SuperMap.Data;
using System;
using System.Collections.Generic;
using System.Data;
using WeifenLuo.WinFormsUI.Docking;
using WWPipeLine.MapBasic.Conditions;
using WWPipeLine.MapBasic;
using SuperMap.Mapping;

namespace WWPipeLine.MapTools.Conditions.Statistics
{
	public partial class GDshuliang : ConditionPanel
	{
		private LayerWithDataListPanel LayerPanel;
		public GDshuliang() : base()
		{
			this.ConditionPanelName = "管点数量统计";
			InitializeComponent();
		}
		protected override void OnLoad(EventArgs e)
		{
			LayerPanel = new LayerWithDataListPanel();
			LayerPanel.LoadToVector(true, false);
			this.Controls.Add(LayerPanel);
		}
		public override object Do(DockPanel dockPanel = null)
		{
			if (LayerPanel.SelectLayers.Count == 0)
			{
				Sunny.UI.UIMessageTip.ShowError("请先选择需要查询的图层"); return false;
			}
			DataTable dt = new DataTable() { TableName = "管点数量统计结果" };
			#region 一行标题，一行结果，多列
			DataRow dr;
			dt.Columns.Add("统计图层");
			foreach (Layer lyr in LayerPanel.SelectLayers)
			{
				dt.Columns.Add(lyr.Caption);
			}
			dr = dt.NewRow(); dr["统计图层"] = "管点数量";
			DatasetVector dv;
			foreach (Layer lyr in LayerPanel.SelectLayers)
			{
				dv = lyr.Dataset as DatasetVector;
				dr[lyr.Caption] = dv.RecordCount;
			}
			dt.Rows.Add(dr);
			#endregion

			#region 一行标题 一列结果 多行
			//DataRow dr;
			//dt.Columns.Add("统计图层"); dt.Columns.Add("管点数量");
			//DatasetVector dv;
			//foreach (Layer lyr in LayerPanel.SelectLayers)
			//{
			//	dr = dt.NewRow();
			//	dr["统计图层"] = lyr.Caption;
			//	dv = lyr.Dataset as DatasetVector;
			//	dr["管点数量"] = dv.RecordCount;
			//	dt.Rows.Add(dr);
			//}
			#endregion
			return dt;
		}
	}
}