subform.cs

TREEVIEW AND LISTVIEW IS USER

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

using System.Data;
using System.Data.OracleClient;
namespace WinDemoOne
{
	/// <summary>
	/// SubForm 的摘要说明。
	/// </summary>
	public class SubForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.DataGrid dgEmp;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		OracleDataAdapter adapter = null;
		public SubForm()
		{
			//
			// 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.dgEmp = new System.Windows.Forms.DataGrid();
			((System.ComponentModel.ISupportInitialize)(this.dgEmp)).BeginInit();
			this.SuspendLayout();
			// 
			// dgEmp
			// 
			this.dgEmp.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.dgEmp.DataMember = "";
			this.dgEmp.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dgEmp.Location = new System.Drawing.Point(8, 8);
			this.dgEmp.Name = "dgEmp";
			this.dgEmp.Size = new System.Drawing.Size(512, 320);
			this.dgEmp.TabIndex = 0;
			// 
			// SubForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(528, 338);
			this.Controls.Add(this.dgEmp);
			this.Name = "SubForm";
			this.Text = "SubForm";
			this.Load += new System.EventHandler(this.SubForm_Load);
			this.Closed += new System.EventHandler(this.SubForm_Closed);
			((System.ComponentModel.ISupportInitialize)(this.dgEmp)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void SubForm_Load(object sender, System.EventArgs e)
		{
			string connectionString = "user id=scott;data source=oralsea;password=tiger";
			string sql = "select * from emp";
			adapter = new OracleDataAdapter(sql, connectionString);

			OracleCommandBuilder builder = new OracleCommandBuilder(adapter);
			adapter.InsertCommand = builder.GetInsertCommand();
			adapter.UpdateCommand = builder.GetUpdateCommand();
			adapter.DeleteCommand = builder.GetDeleteCommand();

			DataTable dt = new DataTable();
			adapter.Fill(dt);

			dgEmp.DataSource = dt;
		}

		private void SubForm_Closed(object sender, System.EventArgs e)
		{
			adapter.Update((DataTable)dgEmp.DataSource);
		}
	}
}