modifyclass.cs

C#编写的学籍管理系统

			// 
			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(47, 103);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(36, 21);
			this.label2.TabIndex = 22;
			this.label2.Text = "专业";
			// 
			// textBox1
			// 
			this.textBox1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.textBox1.Location = new System.Drawing.Point(99, 51);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(170, 25);
			this.textBox1.TabIndex = 21;
			this.textBox1.Text = "";
			// 
			// 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(13, 51);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(67, 21);
			this.label1.TabIndex = 20;
			this.label1.Text = "班级名称";
			// 
			// comboBox1
			// 
			this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.comboBox1.Enabled = false;
			this.comboBox1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.comboBox1.Location = new System.Drawing.Point(99, 103);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(170, 23);
			this.comboBox1.TabIndex = 34;
			// 
			// button2
			// 
			this.button2.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.button2.Location = new System.Drawing.Point(405, 298);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(75, 31);
			this.button2.TabIndex = 32;
			this.button2.Text = "退出";
			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.Location = new System.Drawing.Point(99, 298);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(74, 31);
			this.button1.TabIndex = 31;
			this.button1.Text = "修改";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// dateTimePicker1
			// 
			this.dateTimePicker1.Enabled = false;
			this.dateTimePicker1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.dateTimePicker1.Location = new System.Drawing.Point(365, 154);
			this.dateTimePicker1.Name = "dateTimePicker1";
			this.dateTimePicker1.Size = new System.Drawing.Size(182, 25);
			this.dateTimePicker1.TabIndex = 30;
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = "Data Source=xsxxdb.mdb;Jet OLEDB:Engine Type=5;Provider=Microsoft.Jet." +
				"OLEDB.4.0;";
			// 
			// label9
			// 
			this.label9.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label9.ForeColor = System.Drawing.SystemColors.ControlText;
			this.label9.Location = new System.Drawing.Point(472, 51);
			this.label9.Name = "label9";
			this.label9.Size = new System.Drawing.Size(85, 21);
			this.label9.TabIndex = 37;
			this.label9.Text = "zymc";
			this.label9.Visible = false;
			// 
			// numericUpDown1
			// 
			this.numericUpDown1.Enabled = false;
			this.numericUpDown1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.numericUpDown1.Location = new System.Drawing.Point(365, 51);
			this.numericUpDown1.Maximum = new System.Decimal(new int[] {
																		   10,
																		   0,
																		   0,
																		   0});
			this.numericUpDown1.Minimum = new System.Decimal(new int[] {
																		   1,
																		   0,
																		   0,
																		   0});
			this.numericUpDown1.Name = "numericUpDown1";
			this.numericUpDown1.ReadOnly = true;
			this.numericUpDown1.Size = new System.Drawing.Size(96, 25);
			this.numericUpDown1.TabIndex = 38;
			this.numericUpDown1.Value = new System.Decimal(new int[] {
																		 3,
																		 0,
																		 0,
																		 0});
			// 
			// ModifyClass
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
			this.ClientSize = new System.Drawing.Size(586, 345);
			this.Controls.Add(this.numericUpDown1);
			this.Controls.Add(this.label9);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.label8);
			this.Controls.Add(this.textBox5);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.label7);
			this.Controls.Add(this.label6);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.comboBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.dateTimePicker1);
			this.ForeColor = System.Drawing.SystemColors.ControlText;
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Name = "ModifyClass";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "修改班级信息";
			this.Load += new System.EventHandler(this.ModifyClass_Load);
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void ModifyClass_Load(object sender, System.EventArgs e)
		{
			string sql="select SpecialtyId,SpecialtyName from SpecialtyInfo";
			OleDbDataAdapter adp=new OleDbDataAdapter(sql,oleDbConnection1);
			DataSet ds=new DataSet();
			adp.Fill(ds,"Specialty");
			comboBox1.DataSource=ds.Tables["Specialty"].DefaultView;
			comboBox1.DisplayMember="SpecialtyName";
			comboBox1.ValueMember="SpecialtyId";
			comboBox1.Text=label9.Text.Trim();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if (textBox1.Text.Trim()=="" || comboBox1.Text.Trim()=="" || textBox3.Text.Trim()=="" || textBox5.Text.Trim()=="")
				MessageBox.Show("请输入完整的班级信息","提示");
			else
			{
				oleDbConnection1.Open();
				string pd="select * from ClassInfo where ClassName='"+textBox1.Text.Trim()+"' and  ClassId<>"+this.Tag.ToString().Trim();
				OleDbCommand cmd=new OleDbCommand(pd,oleDbConnection1);
				if (null!=cmd.ExecuteScalar())
					MessageBox.Show("班级名称发生重复","提示");
				else
				{
					string sql;
					sql="update ClassInfo set ClassName='"+textBox1.Text.ToString()+"',SpecialtyName='"+comboBox1.Text.ToString()+"',ClassNumber='"+textBox3.Text.ToString()+"',Length="+numericUpDown1.Value.ToString()+",Teacher='"+textBox5.Text.ToString()+"',Enrolmenttime='"+dateTimePicker1.Text+"'";
					if (textBox2.Text!="") 
						sql=sql+",Remark='"+textBox2.Text.ToString()+"'";
					sql=sql+" where ClassId="+this.Tag.ToString().Trim();
					cmd.CommandText=sql;
					cmd.ExecuteNonQuery();
					MessageBox.Show("班级信息修改成功","提示");
				}
				oleDbConnection1.Close();
			}
		}

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