modifyspecialty.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;
namespace WindowsApplication1
{
	/// <summary>
	/// xgzy 的摘要说明。
	/// </summary>
	public class ModifySpecialty : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		public System.Windows.Forms.TextBox textBox2;
		public System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button1;
		private OleDbConnection cn;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public ModifySpecialty()
		{
			//
			// 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.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.button1 = new System.Windows.Forms.Button();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// 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(16, 80);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(67, 21);
			this.label3.TabIndex = 13;
			this.label3.Text = "专业描述";
			// 
			// 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(176, 40);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(67, 21);
			this.label2.TabIndex = 12;
			this.label2.Text = "专业名称";
			// 
			// 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(160, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(98, 21);
			this.label1.TabIndex = 11;
			this.label1.Text = "修改专业信息";
			// 
			// 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, 80);
			this.textBox2.Multiline = true;
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(330, 62);
			this.textBox2.TabIndex = 8;
			this.textBox2.Text = "";
			// 
			// 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(248, 40);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(176, 25);
			this.textBox1.TabIndex = 7;
			this.textBox1.Text = "";
			// 
			// 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(304, 152);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(100, 29);
			this.button2.TabIndex = 10;
			this.button2.Text = "取消";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// 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(48, 152);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(100, 29);
			this.button1.TabIndex = 9;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// label4
			// 
			this.label4.AutoSize = true;
			this.label4.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label4.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label4.Location = new System.Drawing.Point(16, 40);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(67, 21);
			this.label4.TabIndex = 14;
			this.label4.Text = "专业编号";
			// 
			// label5
			// 
			this.label5.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.label5.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.label5.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label5.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label5.Location = new System.Drawing.Point(96, 40);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(74, 25);
			this.label5.TabIndex = 15;
			this.label5.Text = "专业编号";
			// 
			// ModifySpecialty
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
			this.ClientSize = new System.Drawing.Size(450, 190);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.label4);
			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.FixedDialog;
			this.Name = "ModifySpecialty";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "修改专业信息";
			this.Load += new System.EventHandler(this.xgzy_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			if ((textBox1.Text.Trim()=="") || (textBox2.Text.Trim()==""))
				MessageBox.Show("提示","请输入完整的专业信息");
			else
			{ 
				cn.Open();
				OleDbCommand cmd=new OleDbCommand("select * from SpecialtyInfo where SpecialtyName='"+textBox1.Text.Trim()+"' and SpecialtyId<>"+this.Tag.ToString().Trim(),cn);
				if (null!=cmd.ExecuteScalar())
					MessageBox.Show("专业名称发生重复","提示");
				else
				{
					string sql="update SpecialtyInfo set SpecialtyName='"+textBox1.Text.Trim()+"',Remark='"+textBox2.Text.Trim()+"' where Specialtyid="+this.Tag.ToString().Trim();
					cmd.CommandText=sql;
					cmd.ExecuteNonQuery();
					MessageBox.Show("专业信息修改成功","提示");
				}
				cn.Close();
			}
		}

		private void xgzy_Load(object sender, System.EventArgs e)
		{
			cn=new OleDbConnection("Data Source=xsxxdb.mdb;Jet OLEDB:Engine Type=5;Provider=Microsoft.Jet.OLEDB.4.0;");
		    label5.Text=this.Tag.ToString().Trim();
		}

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