frmall.cs

问题定义 随着生活水平的日益提高

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

namespace 通讯录
{
	/// <summary>
	/// frmall 的摘要说明。
	/// </summary>
	public class frmall : System.Windows.Forms.Form
	{
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmall()
		{
			//
			// 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.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 32);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(776, 392);
			this.dataGrid1.TabIndex = 0;
			// 
			// label1
			// 
			this.label1.BackColor = System.Drawing.Color.Olive;
			this.label1.Dock = System.Windows.Forms.DockStyle.Top;
			this.label1.Font = new System.Drawing.Font("宋体", 15F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(0, 0);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(800, 32);
			this.label1.TabIndex = 1;
			this.label1.Text = "所有信息";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// button1
			// 
			this.button1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button1.Location = new System.Drawing.Point(696, 440);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 32);
			this.button1.TabIndex = 2;
			this.button1.Text = "退出";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// frmall
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(800, 485);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.dataGrid1);
			this.Name = "frmall";
			this.Text = "查看所以信息";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.frmall_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			this.Dispose();
		}

		private void frmall_Load(object sender, System.EventArgs e)
		{
			Classdb displayall=new Classdb();
			DataSet ds=new DataSet();
			SqlConnection con=displayall.conds();
			string str="select name as '姓名',telephone as '电话',mobilepho as '手机',email as '电子邮件'";
			str +=",qq as 'QQ',nowaddress as '现居地',familyaddress as '家乡',others as '备注',adddate as '添加日期',images as '照片' from stuinf";
			SqlDataAdapter da=new SqlDataAdapter(str,con);
			try
			{
				con.Open();
				da.Fill(ds);
				int i=ds.Tables[0].Rows.Count;
				label1.Text="查询结果，总共有  ";
				label1.Text +=i.ToString();
				label1.Text +="  条记录";
				dataGrid1.DataSource=ds.Tables[0].DefaultView;
			}
			catch (Exception ex)
			{
			System.Windows.Forms.MessageBox.Show(ex.ToString());}
			finally
			{
			con.Dispose();
			da.Dispose();
			}
		}
	}
}