📄 addcourse.cs
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using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace PK
{
/// <summary>
/// addCourse 的摘要说明。
/// </summary>
public class addCourse : System.Windows.Forms.UserControl
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox textBox3;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.TextBox textBox4;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.TextBox textBox5;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Label label7;
private System.Windows.Forms.TextBox textBox6;
private System.Windows.Forms.Label label8;
private System.Windows.Forms.Label label9;
private System.Windows.Forms.Label label10;
private System.Windows.Forms.Label label11;
private System.Windows.Forms.Label label12;
private System.Windows.Forms.Label label13;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public addCourse()
{
// 该调用是 Windows.Forms 窗体设计器所必需的。
InitializeComponent();
// TODO: 在 InitializeComponent 调用后添加任何初始化
}
/// <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 组件设计器生成的代码
/// <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.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.textBox3 = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.textBox4 = new System.Windows.Forms.TextBox();
this.label6 = new System.Windows.Forms.Label();
this.textBox5 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.label7 = new System.Windows.Forms.Label();
this.textBox6 = new System.Windows.Forms.TextBox();
this.label8 = new System.Windows.Forms.Label();
this.label9 = new System.Windows.Forms.Label();
this.label10 = new System.Windows.Forms.Label();
this.label11 = new System.Windows.Forms.Label();
this.label12 = new System.Windows.Forms.Label();
this.label13 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// label1
//
this.label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label1.Location = new System.Drawing.Point(192, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 23);
this.label1.TabIndex = 0;
this.label1.Text = "录入课程信息";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// label2
//
this.label2.Location = new System.Drawing.Point(72, 64);
this.label2.Name = "label2";
this.label2.TabIndex = 1;
this.label2.Text = "课程号";
this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(224, 64);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 2;
this.textBox1.Text = "textBox1";
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(224, 120);
this.textBox2.Name = "textBox2";
this.textBox2.TabIndex = 3;
this.textBox2.Text = "textBox2";
//
// label3
//
this.label3.Location = new System.Drawing.Point(72, 120);
this.label3.Name = "label3";
this.label3.TabIndex = 4;
this.label3.Text = "课程名";
this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// label4
//
this.label4.Location = new System.Drawing.Point(72, 168);
this.label4.Name = "label4";
this.label4.TabIndex = 5;
this.label4.Text = "教学班号";
this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox3
//
this.textBox3.Location = new System.Drawing.Point(224, 168);
this.textBox3.Name = "textBox3";
this.textBox3.TabIndex = 6;
this.textBox3.Text = "textBox3";
//
// label5
//
this.label5.Location = new System.Drawing.Point(72, 224);
this.label5.Name = "label5";
this.label5.TabIndex = 7;
this.label5.Text = "上课人数";
this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox4
//
this.textBox4.Location = new System.Drawing.Point(224, 224);
this.textBox4.Name = "textBox4";
this.textBox4.TabIndex = 8;
this.textBox4.Text = "textBox4";
this.textBox4.TextChanged += new System.EventHandler(this.textBox4_TextChanged);
//
// label6
//
this.label6.Location = new System.Drawing.Point(72, 280);
this.label6.Name = "label6";
this.label6.TabIndex = 9;
this.label6.Text = "周学分";
this.label6.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox5
//
this.textBox5.Location = new System.Drawing.Point(224, 280);
this.textBox5.Name = "textBox5";
this.textBox5.TabIndex = 10;
this.textBox5.Text = "textBox5";
this.textBox5.TextChanged += new System.EventHandler(this.textBox5_TextChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(232, 400);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(80, 23);
this.button1.TabIndex = 11;
this.button1.Text = "确定";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label7
//
this.label7.Location = new System.Drawing.Point(72, 328);
this.label7.Name = "label7";
this.label7.TabIndex = 12;
this.label7.Text = "教师号";
this.label7.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox6
//
this.textBox6.Location = new System.Drawing.Point(224, 328);
this.textBox6.Name = "textBox6";
this.textBox6.TabIndex = 13;
this.textBox6.Text = "textBox6";
//
// label8
//
this.label8.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label8.ForeColor = System.Drawing.Color.IndianRed;
this.label8.Location = new System.Drawing.Point(360, 64);
this.label8.Name = "label8";
this.label8.TabIndex = 14;
this.label8.Text = "*";
this.label8.Click += new System.EventHandler(this.label8_Click);
//
// label9
//
this.label9.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label9.ForeColor = System.Drawing.Color.IndianRed;
this.label9.Location = new System.Drawing.Point(360, 120);
this.label9.Name = "label9";
this.label9.TabIndex = 15;
this.label9.Text = "*";
//
// label10
//
this.label10.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label10.ForeColor = System.Drawing.Color.IndianRed;
this.label10.Location = new System.Drawing.Point(360, 168);
this.label10.Name = "label10";
this.label10.TabIndex = 16;
this.label10.Text = "*";
//
// label11
//
this.label11.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label11.ForeColor = System.Drawing.Color.IndianRed;
this.label11.Location = new System.Drawing.Point(360, 224);
this.label11.Name = "label11";
this.label11.TabIndex = 17;
this.label11.Text = "*";
//
// label12
//
this.label12.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label12.ForeColor = System.Drawing.Color.IndianRed;
this.label12.Location = new System.Drawing.Point(360, 280);
this.label12.Name = "label12";
this.label12.TabIndex = 18;
this.label12.Text = "*";
//
// label13
//
this.label13.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label13.ForeColor = System.Drawing.Color.IndianRed;
this.label13.Location = new System.Drawing.Point(360, 328);
this.label13.Name = "label13";
this.label13.TabIndex = 19;
this.label13.Text = "*";
//
// addCourse
//
this.Controls.Add(this.label13);
this.Controls.Add(this.label12);
this.Controls.Add(this.label11);
this.Controls.Add(this.label10);
this.Controls.Add(this.label9);
this.Controls.Add(this.label8);
this.Controls.Add(this.textBox6);
this.Controls.Add(this.label7);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox5);
this.Controls.Add(this.label6);
this.Controls.Add(this.textBox4);
this.Controls.Add(this.label5);
this.Controls.Add(this.textBox3);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "addCourse";
this.Size = new System.Drawing.Size(512, 472);
this.Load += new System.EventHandler(this.addCourse_Load);
this.ResumeLayout(false);
}
#endregion
private void addCourse_Load(object sender, System.EventArgs e)
{
this.textBox1.Text = "";
this.textBox2.Text = "";
this.textBox3.Text = "";
this.textBox4.Text = "";
this.textBox5.Text = "";
this.textBox6.Text = "";
}
private void button1_Click(object sender, System.EventArgs e)
{
bool check = false;
if (this.textBox1.Text.Trim()==""&&this.textBox2.Text.Trim()==""&&this.textBox3.Text.Trim()==""&&this.textBox4.Text.Trim()==""&&this.textBox5.Text.Trim()==""&&this.textBox6.Text.Trim()=="")
{
MessageBox.Show("*标记的必须填!");
}
else
{
Connection c = new Connection();
SqlConnection conn = new SqlConnection(c.getConnectionString);
conn.Open();
string str1 = "select * from teacher";
string str2 = "select * from course";
SqlCommand cmd2 = new SqlCommand(str2,conn);
SqlCommand cmd1 = new SqlCommand(str1,conn);
SqlDataReader drc = cmd2.ExecuteReader();
while (drc.Read())
{
if (this.textBox1.Text.Trim() == Convert.ToString(drc["courseNo"])&&this.textBox3.Text.Trim() == Convert.ToString(drc["studyClassNo"]))
{
MessageBox.Show("课程编号冲突!");
this.textBox1.Text = "";
this.textBox3.Text = "";
return;
}
}
drc.Close();
SqlDataReader dr1 = cmd1.ExecuteReader();
while (dr1.Read())
{
if (this.textBox6.Text.Trim() == Convert.ToString(dr1["teacherNo"]))
{
check = true;
break;
}
}
if (check)
{
dr1.Close();
dealCourse dc = new dealCourse();
dc.Open();
check = dc.AddCourseInfo(this.textBox1.Text.Trim(),this.textBox2.Text.Trim(),this.textBox3.Text.Trim(),Convert.ToInt32(this.textBox4.Text.Trim()),Convert.ToInt32(this.textBox5.Text.Trim()),this.textBox6.Text.Trim());
if (check)
{
MessageBox.Show("添加成功!");
}
else
{
MessageBox.Show("添加失败!");
}
dc.Close();
}
else
{
MessageBox.Show("此教师不存在!");
this.textBox6.Text = "";
this.textBox6.Focus();
}
}
}
private void label8_Click(object sender, System.EventArgs e)
{
}
private void textBox5_TextChanged(object sender, System.EventArgs e)
{
string str = this.textBox5.Text.Trim();
if (this.textBox5.Text.Trim() != "")
{
try
{
int i = Convert.ToInt32(str);
if (i >= 7)
{
MessageBox.Show("周学分设置不合理!");
this.textBox5.Text = "";
this.textBox5.Focus();
}
}
catch
{
MessageBox.Show("周学分应为整数!");
this.textBox5.Text = "";
this.textBox5.Focus();
}
}
}
private void textBox4_TextChanged(object sender, System.EventArgs e)
{
string str = this.textBox4.Text.Trim();
if (this.textBox4.Text.Trim() != "")
{
try
{
int i = Convert.ToInt32(str);
if (i >= 300)
{
MessageBox.Show("上课人数设置不合理!");
this.textBox4.Text = "";
this.textBox4.Focus();
}
}
catch
{
MessageBox.Show("人数应为整数!");
this.textBox4.Text = "";
this.textBox4.Focus();
}
}
}
}
}
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