form1.cs

基于SQL数据库与水晶报表CrystalReport,在水晶报表中显示数据库中的指定记录

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

namespace WindowsApplication1
{
	/// <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.Label label1;
		private System.Windows.Forms.TextBox textBox1;
		public static DatasetCrystalReport ds;

		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = 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.label1 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(80, 88);
			this.button1.Name = "button1";
			this.button1.TabIndex = 0;
			this.button1.Text = "显示报表";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(32, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(168, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "请键入所要显示报表的关键字";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(64, 40);
			this.textBox1.Name = "textBox1";
			this.textBox1.TabIndex = 2;
			this.textBox1.Text = "";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(216, 126);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			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)
		{
			SqlDataAdapter adapter = new SqlDataAdapter();
			SqlCommand command = new SqlCommand();
			SqlConnection connection = new SqlConnection();
			ds = new DatasetCrystalReport();


			connection.ConnectionString = "workstation id=HZX;packet size=4096;integrated security=SSPI;initial catalog=扬州市建" +
				"设项目数据库;persist security info=False";
//			connection.ConnectionString = "data source=建设项目基本信息;packet size=4096;integrated security=SSPI;initial catalog=扬州市建" +
//				"设项目数据库;persist security info=False";
			connection.Open();
			adapter.SelectCommand = command;
			command.CommandText = "SELECT * FROM 建设项目基本信息 WHERE 建设项目编号='" + this.textBox1.Text + "'";
			command.Connection = connection;
			adapter.Fill(ds,"建设项目基本信息");
			connection.Close();

			new FormCrystalReportViewer().Show();
		}
	}
}