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📄 bookpenalty.cs

📁 简单的图书管理系统1、系统功能的基本要求: (1)图书信息的输入
💻 CS
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;

namespace 图书馆管理系统
{
	/// <summary>
	/// BookPenalty 的摘要说明。
	/// </summary>
	public class BookPenalty : System.Windows.Forms.Form
	{
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Button btnSearch;
		private System.Windows.Forms.TextBox txt1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox txt2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox txt3;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private System.Data.SqlClient.SqlDataAdapter da1;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private 图书馆管理系统.DataSet2 dataSet21;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.TextBox txt4;
		private System.Windows.Forms.Button btnPenalty;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public BookPenalty()
		{
			//
			// 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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(BookPenalty));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.btnSearch = new System.Windows.Forms.Button();
			this.txt1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.txt2 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.txt3 = new System.Windows.Forms.TextBox();
			this.da1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.dataSet21 = new 图书馆管理系统.DataSet2();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.txt4 = new System.Windows.Forms.TextBox();
			this.btnPenalty = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataSet21)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.btnSearch);
			this.groupBox1.Controls.Add(this.txt1);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.txt2);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Controls.Add(this.txt3);
			this.groupBox1.Location = new System.Drawing.Point(0, -1);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(642, 60);
			this.groupBox1.TabIndex = 2;
			this.groupBox1.TabStop = false;
			// 
			// btnSearch
			// 
			this.btnSearch.Image = ((System.Drawing.Image)(resources.GetObject("btnSearch.Image")));
			this.btnSearch.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnSearch.Location = new System.Drawing.Point(16, 26);
			this.btnSearch.Name = "btnSearch";
			this.btnSearch.Size = new System.Drawing.Size(72, 23);
			this.btnSearch.TabIndex = 3;
			this.btnSearch.Text = " 搜索";
			this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
			// 
			// txt1
			// 
			this.txt1.Location = new System.Drawing.Point(155, 25);
			this.txt1.Name = "txt1";
			this.txt1.TabIndex = 8;
			this.txt1.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(104, 29);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 16);
			this.label2.TabIndex = 6;
			this.label2.Text = "读者编号";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(288, 29);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 16);
			this.label1.TabIndex = 4;
			this.label1.Text = "图书编号";
			// 
			// txt2
			// 
			this.txt2.Location = new System.Drawing.Point(347, 25);
			this.txt2.Name = "txt2";
			this.txt2.TabIndex = 9;
			this.txt2.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(472, 29);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(56, 16);
			this.label3.TabIndex = 5;
			this.label3.Text = "读者姓名";
			// 
			// txt3
			// 
			this.txt3.Location = new System.Drawing.Point(528, 25);
			this.txt3.Name = "txt3";
			this.txt3.TabIndex = 7;
			this.txt3.Text = "";
			// 
			// da1
			// 
			this.da1.SelectCommand = this.sqlSelectCommand1;
			this.da1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																						  new System.Data.Common.DataTableMapping("Table", "图书罚款", new System.Data.Common.DataColumnMapping[] {
																																																  new System.Data.Common.DataColumnMapping("罚款编号", "罚款编号"),
																																																  new System.Data.Common.DataColumnMapping("图书编号", "图书编号"),
																																																  new System.Data.Common.DataColumnMapping("书名", "书名"),
																																																  new System.Data.Common.DataColumnMapping("读者编号", "读者编号"),
																																																  new System.Data.Common.DataColumnMapping("姓名", "姓名"),
																																																  new System.Data.Common.DataColumnMapping("罚款日期", "罚款日期"),
																																																  new System.Data.Common.DataColumnMapping("应罚金额", "应罚金额"),
																																																  new System.Data.Common.DataColumnMapping("实收金额", "实收金额"),
																																																  new System.Data.Common.DataColumnMapping("是否交款", "是否交款"),
																																																  new System.Data.Common.DataColumnMapping("备注", "备注")})});
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = @"SELECT a.罚款编号, a.图书编号, c.书名, a.读者编号, b.姓名, a.罚款日期, a.应罚金额, a.实收金额, a.是否交款, a.备注 FROM 图书罚款 a INNER JOIN 图书信息 c ON a.图书编号 = c.编号 INNER JOIN 读者信息 b ON a.读者编号 = b.编号 WHERE (a.是否交款 = '0') AND (a.读者编号 LIKE @Param14) AND (a.图书编号 LIKE @Param15) AND (b.姓名 LIKE @Param16)";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param14", System.Data.SqlDbType.VarChar, 20, "读者编号"));
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param15", System.Data.SqlDbType.VarChar, 50, "图书编号"));
			this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param16", System.Data.SqlDbType.VarChar, 20, "姓名"));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=localhost;Integrated Security=SSPI;Database=libbook;";
			// 
			// dataSet21
			// 
			this.dataSet21.DataSetName = "DataSet2";
			this.dataSet21.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "图书罚款";
			this.dataGrid1.DataSource = this.dataSet21;
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 56);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(648, 368);
			this.dataGrid1.TabIndex = 3;
			// 
			// txt4
			// 
			this.txt4.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet21, "图书罚款.应罚金额"));
			this.txt4.Location = new System.Drawing.Point(272, 440);
			this.txt4.Name = "txt4";
			this.txt4.TabIndex = 4;
			this.txt4.Text = "";
			// 
			// btnPenalty
			// 
			this.btnPenalty.Location = new System.Drawing.Point(128, 440);
			this.btnPenalty.Name = "btnPenalty";
			this.btnPenalty.Size = new System.Drawing.Size(128, 23);
			this.btnPenalty.TabIndex = 5;
			this.btnPenalty.Text = "收回罚款";
			this.btnPenalty.Click += new System.EventHandler(this.btnPenalty_Click);
			// 
			// BookPenalty
			// 
			this.AcceptButton = this.btnSearch;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(648, 486);
			this.Controls.Add(this.btnPenalty);
			this.Controls.Add(this.txt4);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.groupBox1);
			this.Name = "BookPenalty";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "【图书罚款】";
			this.Load += new System.EventHandler(this.BookPenalty_Load);
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.dataSet21)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		//------------初始化窗体时,填充数据-------------
		private void BookPenalty_Load(object sender, System.EventArgs e)
		{
			da1.SelectCommand.Parameters[0].Value="%%";
			da1.SelectCommand.Parameters[1].Value="%%";
			da1.SelectCommand.Parameters[2].Value="%%";
			da1.Fill(dataSet21);
		}

		//-----------搜索读者罚款记录-----------
		private void btnSearch_Click(object sender, System.EventArgs e)
		{
			da1.SelectCommand.Parameters[0].Value="%%";
			da1.SelectCommand.Parameters[1].Value="%%";
			da1.SelectCommand.Parameters[2].Value="%%";
			if(txt1.Text!="")
			{
				da1.SelectCommand.Parameters[0].Value="%"+txt1.Text+"%";
			}
			if(txt2.Text!="")
			{
				da1.SelectCommand.Parameters[1].Value="%"+txt2.Text+"%";
			}
			if(txt3.Text!="")
			{
				da1.SelectCommand.Parameters[2].Value="%"+txt3.Text+"%";
			}
			dataSet21.图书罚款.Clear();
			da1.Fill(dataSet21);
		}

		//-----------收取罚款-----------
		private void btnPenalty_Click(object sender, System.EventArgs e)
		{
			if(txt4.Text.Trim()=="")
			{
				MessageBox.Show("请输入实收罚款金额","输入金额",MessageBoxButtons.OK,MessageBoxIcon.Error);
				return;
			}
			decimal money=Convert.ToDecimal(txt4.Text.Trim());//应收罚款金额
			string penaltyID=dataGrid1[dataGrid1.CurrentCell.RowNumber,0].ToString().Trim();//罚款记录编号
			string strConn = "workstation id=localhost;Integrated Security=SSPI;database=libbook";
			SqlConnection cn=new SqlConnection(strConn);
			cn.Open();
			SqlCommand cmd=cn.CreateCommand();
			cmd.CommandText="update 图书罚款 set 是否交款='1',实收金额=CAST('"+money.ToString()+"' as money) where 罚款编号='"+penaltyID+"'";
			
			cmd.ExecuteNonQuery();
			dataSet21.图书罚款.Clear();
			da1.Fill(dataSet21);		
		}		
	}
}

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