frmsearch.cs

一个经典的东东

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

namespace GUI
{
	/// <summary>
	/// frmSearch 的摘要说明。
	/// </summary>
	public class frmSearch : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ComboBox cmbSearchType;
		private System.Windows.Forms.TextBox txtSearch;
		private System.Windows.Forms.Button btnExit;
		private ScoreOperate scoreoperate;
		private CourseOperate courseoperate;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmSearch()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			scoreoperate=new ScoreOperate();
			courseoperate=new CourseOperate();

			//
			// 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.cmbSearchType = new System.Windows.Forms.ComboBox();
			this.txtSearch = new System.Windows.Forms.TextBox();
			this.btnExit = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// cmbSearchType
			// 
			this.cmbSearchType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.cmbSearchType.Items.AddRange(new object[] {
															   "按学生姓名搜索学生成绩情况",
															   "按班级名搜索班级情况"});
			this.cmbSearchType.Location = new System.Drawing.Point(32, 64);
			this.cmbSearchType.Name = "cmbSearchType";
			this.cmbSearchType.Size = new System.Drawing.Size(232, 20);
			this.cmbSearchType.TabIndex = 0;
			// 
			// txtSearch
			// 
			this.txtSearch.Location = new System.Drawing.Point(32, 16);
			this.txtSearch.Name = "txtSearch";
			this.txtSearch.Size = new System.Drawing.Size(232, 21);
			this.txtSearch.TabIndex = 1;
			this.txtSearch.Text = "";
			// 
			// btnExit
			// 
			this.btnExit.Location = new System.Drawing.Point(88, 120);
			this.btnExit.Name = "btnExit";
			this.btnExit.Size = new System.Drawing.Size(128, 32);
			this.btnExit.TabIndex = 2;
			this.btnExit.Text = "给老子搜";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// frmSearch
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(292, 160);
			this.Controls.Add(this.btnExit);
			this.Controls.Add(this.txtSearch);
			this.Controls.Add(this.cmbSearchType);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
			this.Name = "frmSearch";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "frmSearch";
			this.ResumeLayout(false);

		}
		#endregion

		//点击搜索button
		private void btnExit_Click(object sender, System.EventArgs e)
		{
			if(this.cmbSearchType.Text=="" || this.txtSearch.Text=="")
			{
				MessageBox.Show("keyword和searchType都不为空好不好?");
			}
			else
			{
				if(this.cmbSearchType.Text=="按学生姓名搜索学生成绩情况")
				{
					string studentname=this.txtSearch.Text;
					DataSet ds=new DataSet();
					ds=scoreoperate.selectwithStudentnameinScore_View(studentname);
					frmDataGrid frmdatagrid=new frmDataGrid(ds);
					frmdatagrid.ShowDialog();
				}
				if(this.cmbSearchType.Text=="按班级名搜索班级情况")
				{
					string classname=this.txtSearch.Text;
					DataSet ds=new DataSet();
					ds=courseoperate.selectbyname(classname);
					frmDataGrid frmdatagrid=new frmDataGrid(ds);
					frmdatagrid.ShowDialog();
				}
			}
		}
	}
}