addspecialty.cs

C#编写的学籍管理系统

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data.OleDb;
using System.Runtime.InteropServices;

namespace WindowsApplication1
{
	/// <summary>
	/// tjzy 的摘要说明。
	/// </summary>
	public class AddSpecialty : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Data.OleDb.OleDbConnection oleDbConnection1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		[DllImport("User32.dll")]
	    public static extern int MessageBox(int h,string m,string c,int type);
		private System.ComponentModel.Container components = null;

		public AddSpecialty()
		{
			//
			// 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.textBox1 = new System.Windows.Forms.TextBox();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox1.ForeColor = System.Drawing.SystemColors.ControlText;
			this.textBox1.Location = new System.Drawing.Point(96, 36);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(331, 25);
			this.textBox1.TabIndex = 0;
			this.textBox1.Text = "";
			// 
			// textBox2
			// 
			this.textBox2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox2.ForeColor = System.Drawing.SystemColors.ControlText;
			this.textBox2.Location = new System.Drawing.Point(96, 82);
			this.textBox2.Multiline = true;
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(331, 83);
			this.textBox2.TabIndex = 1;
			this.textBox2.Text = "";
			// 
			// button1
			// 
			this.button1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button1.ForeColor = System.Drawing.SystemColors.ControlText;
			this.button1.Location = new System.Drawing.Point(53, 185);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(100, 30);
			this.button1.TabIndex = 2;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button2.ForeColor = System.Drawing.SystemColors.ControlText;
			this.button2.Location = new System.Drawing.Point(309, 185);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(100, 30);
			this.button2.TabIndex = 3;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = "Data Source=xsxxdb.mdb;Jet OLEDB:Engine Type=5;Provider=Microsoft.Jet." +
				"OLEDB.4.0;";
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label1.Location = new System.Drawing.Point(192, 10);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(67, 21);
			this.label1.TabIndex = 4;
			this.label1.Text = "添加专业";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label2.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label2.Location = new System.Drawing.Point(11, 41);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(67, 21);
			this.label2.TabIndex = 5;
			this.label2.Text = "专业名称";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label3.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label3.Location = new System.Drawing.Point(11, 82);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(67, 21);
			this.label3.TabIndex = 6;
			this.label3.Text = "专业描述";
			// 
			// AddSpecialty
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
			this.ClientSize = new System.Drawing.Size(461, 224);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.Name = "AddSpecialty";
			this.Text = "添加专业";
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			if ((textBox1.Text.Trim()=="") || (textBox2.Text.Trim()==""))
                MessageBox(0,"请输入完整的专业信息","提示",0);
			else
			{ 
                oleDbConnection1.Open();
				OleDbCommand cmd=new OleDbCommand("select * from specialtyinfo where specialtyname='"+textBox1.Text.Trim()+"'",oleDbConnection1);
				if (null!=cmd.ExecuteScalar())
				    MessageBox(0,"专业名称发生重复","提示",0);
				else
				{
					string sql="insert into specialtyinfo (specialtyname,remark) values ('"+textBox1.Text.Trim()+"','"+textBox2.Text.Trim()+"')";
				    cmd.CommandText=sql;
					cmd.ExecuteNonQuery();
					MessageBox(0,"专业信息添加成功","提示",0);
					textBox1.Clear();
					textBox2.Clear();
				}
                oleDbConnection1.Close();
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}