📄 addclass.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>
/// addClass 的摘要说明。
/// </summary>
public class addClass : System.Windows.Forms.UserControl
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.Button button1;
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 addClass()
{
// 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.textBox1 = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.textBox2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.label4 = new System.Windows.Forms.Label();
this.label5 = 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(160, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(168, 23);
this.label1.TabIndex = 0;
this.label1.Text = "录入教室信息";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(232, 96);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(104, 21);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "textBox1";
//
// label2
//
this.label2.Location = new System.Drawing.Point(64, 96);
this.label2.Name = "label2";
this.label2.TabIndex = 2;
this.label2.Text = "教室地点";
this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// label3
//
this.label3.Location = new System.Drawing.Point(64, 168);
this.label3.Name = "label3";
this.label3.TabIndex = 3;
this.label3.Text = "容纳量";
this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(232, 168);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(104, 21);
this.textBox2.TabIndex = 4;
this.textBox2.Text = "textBox2";
this.textBox2.TextChanged += new System.EventHandler(this.textBox2_TextChanged);
//
// button1
//
this.button1.Location = new System.Drawing.Point(248, 248);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(80, 23);
this.button1.TabIndex = 5;
this.button1.Text = "确定";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label4
//
this.label4.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label4.ForeColor = System.Drawing.Color.IndianRed;
this.label4.Location = new System.Drawing.Point(360, 96);
this.label4.Name = "label4";
this.label4.TabIndex = 6;
this.label4.Text = "*";
//
// label5
//
this.label5.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label5.ForeColor = System.Drawing.Color.IndianRed;
this.label5.Location = new System.Drawing.Point(360, 168);
this.label5.Name = "label5";
this.label5.TabIndex = 7;
this.label5.Text = "*";
//
// addClass
//
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox2);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.label1);
this.Name = "addClass";
this.Size = new System.Drawing.Size(496, 344);
this.Load += new System.EventHandler(this.addClass_Load);
this.ResumeLayout(false);
}
#endregion
private void addClass_Load(object sender, System.EventArgs e)
{
this.textBox1.Text = "";
this.textBox2.Text = "";
}
private void button1_Click(object sender, System.EventArgs e)
{
bool check = false;
Connection c = new Connection();
dealClass at = new dealClass();
//at.Open();
if (this.textBox1.Text.Trim() == ""&&this.textBox2.Text.Trim() == "")
{
MessageBox.Show("*标记的不能为空!");
}
else
{
SqlConnection conn = new SqlConnection(c.getConnectionString);
conn.Open();
string sqlstr = "select * from class";
SqlCommand cmd = new SqlCommand(sqlstr,conn);
SqlDataReader dr = cmd.ExecuteReader();
while (dr.Read())
{
if (this.textBox1.Text.Trim() == Convert.ToString(dr["classNo"]))
{
check = true;
//this.label5.Text = Convert.ToString(dr["teacherName"]);
break;
}
}
dr.Close();
conn.Close();
if (!check)
{
at.Open();
//SqlConnection conn = new SqlConnection(c.getConnectionString);
//conn.Open();
check = at.AddClassInfo(this.textBox1.Text.Trim(),Convert.ToInt32(this.textBox2.Text.Trim()));
if (check)
{
MessageBox.Show("添加成功!");
}
else
{
MessageBox.Show("添加失败!");
}
at.Close();
}
else
{
MessageBox.Show("此教室已有记录!");
}
}
}
private void textBox2_TextChanged(object sender, System.EventArgs e)
{
string str = this.textBox2.Text.Trim();
if (this.textBox2.Text.Trim() != "")
{
try
{
int i = Convert.ToInt32(str);
if (i >= 300)
{
MessageBox.Show("周学分设置不合理!");
this.textBox2.Text = "";
this.textBox2.Focus();
}
}
catch
{
MessageBox.Show("教室容量应为整数!");
this.textBox2.Text = "";
this.textBox2.Focus();
}
}
}
}
}
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