form1.cs

利用arcengine连接sde数据库的实例程序~~并且添加表记录等

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.DataSourcesGDB;

namespace TestApp
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		private System.Windows.Forms.Button button3;

		private IFeatureWorkspace pFeatureWorkspace = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(48, 40);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(248, 23);
			this.button1.TabIndex = 0;
			this.button1.Text = "Click here to connect to gdb";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(48, 96);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(248, 23);
			this.button2.TabIndex = 1;
			this.button2.Text = "Click here to insert a record";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(48, 152);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(248, 23);
			this.button3.TabIndex = 2;
			this.button3.Text = "Click here to stastic total records";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(352, 219);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			pFeatureWorkspace = (IFeatureWorkspace)Open("210.31.73.29","esri_sde3","liu","liu","SDE.DEFAULT");
			MessageBox.Show("Successfully connected!");
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			if (pFeatureWorkspace != null)
			{
				ITable pTable = pFeatureWorkspace.OpenTable("test");
				IRow pRow = pTable.CreateRow();
				pRow.set_Value(0,1);
				pRow.set_Value(0,2);
				pRow.Store();
				MessageBox.Show("Good");
			}
			else MessageBox.Show("You must connect to gdn first");
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			if (pFeatureWorkspace != null)
			{
				ITable pTable = pFeatureWorkspace.OpenTable("test");
				IQueryFilter pQueryFilter = new QueryFilterClass();
				int RecordCount = pTable.RowCount(pQueryFilter);
				MessageBox.Show(RecordCount.ToString());
			}
			else MessageBox.Show("You must connect to gdn first");
		}

		//here to connect to gdb
		private IWorkspace Open(string server, string instance,string user, string password, string version)
		{

			IWorkspace ws=null;
			string Server=server ;
			string Instance=instance ;
			string User=user;
			string Password=password;

			IPropertySet pPropSet  = new PropertySetClass();
			IWorkspaceFactory pSdeFact = new SdeWorkspaceFactoryClass();
					
			pPropSet.SetProperty("SERVER", Server);
			pPropSet.SetProperty("INSTANCE", Instance);
			
			pPropSet.SetProperty("USER", User);
			pPropSet.SetProperty("PASSWORD", Password);
			pPropSet.SetProperty("VERSION", version);
			try
			{
				ws = pSdeFact.Open(pPropSet, 0);
			}

			catch(Exception e)
			{
				MessageBox.Show(e.Message);
			}
		
			return ws;
		}
	}
}