BookClassify.cs
资源名称:VCSDB.rar [点击查看]
上传用户:hjieqiu
上传日期:2013-05-11
资源大小:16494k
文件大小:23k
源码类别:
企业管理
开发平台:
C#
- 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>
- /// BookClassify 的摘要说明。
- /// </summary>
- public class BookClassify : System.Windows.Forms.Form
- {
- CurrencyManager cmOrders;
- private System.Windows.Forms.ImageList imageList1;
- 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.Windows.Forms.ToolBar toolBar1;
- private System.Windows.Forms.ToolBarButton tBtnFirst;
- private System.Windows.Forms.ToolBarButton tBtnPre;
- private System.Windows.Forms.ToolBarButton tBtnNext;
- private System.Windows.Forms.ToolBarButton tBtnLast;
- private System.Windows.Forms.ToolBarButton tBtnNew;
- private System.Windows.Forms.ToolBarButton tBtnEdit;
- private System.Windows.Forms.ToolBarButton tBtnDelete;
- private System.Windows.Forms.ToolBarButton tBtnSubmit;
- private System.Windows.Forms.ToolBarButton tBtnCancel;
- private System.Windows.Forms.ToolBarButton tBtnQuit;
- private System.Windows.Forms.DataGrid dataGrid1;
- private System.Windows.Forms.Label label4;
- private System.Windows.Forms.Label label5;
- private System.Data.SqlClient.SqlDataAdapter da1;
- private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
- private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
- private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
- private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
- private System.Data.SqlClient.SqlConnection sqlConnection1;
- private 图书馆管理系统.DataSet1 dataSet11;
- private System.Windows.Forms.TextBox txt4;
- private System.Windows.Forms.TextBox txt5;
- private System.ComponentModel.IContainer components;
- public BookClassify()
- {
- //
- // 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.components = new System.ComponentModel.Container();
- System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(BookClassify));
- this.imageList1 = new System.Windows.Forms.ImageList(this.components);
- 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.dataSet11 = new 图书馆管理系统.DataSet1();
- this.toolBar1 = new System.Windows.Forms.ToolBar();
- this.tBtnFirst = new System.Windows.Forms.ToolBarButton();
- this.tBtnPre = new System.Windows.Forms.ToolBarButton();
- this.tBtnNext = new System.Windows.Forms.ToolBarButton();
- this.tBtnLast = new System.Windows.Forms.ToolBarButton();
- this.tBtnNew = new System.Windows.Forms.ToolBarButton();
- this.tBtnEdit = new System.Windows.Forms.ToolBarButton();
- this.tBtnDelete = new System.Windows.Forms.ToolBarButton();
- this.tBtnSubmit = new System.Windows.Forms.ToolBarButton();
- this.tBtnCancel = new System.Windows.Forms.ToolBarButton();
- this.tBtnQuit = new System.Windows.Forms.ToolBarButton();
- this.dataGrid1 = new System.Windows.Forms.DataGrid();
- this.txt4 = new System.Windows.Forms.TextBox();
- this.label4 = new System.Windows.Forms.Label();
- this.txt5 = new System.Windows.Forms.TextBox();
- this.label5 = new System.Windows.Forms.Label();
- this.da1 = new System.Data.SqlClient.SqlDataAdapter();
- this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
- this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
- this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
- this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
- this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
- this.groupBox1.SuspendLayout();
- ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).BeginInit();
- ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
- this.SuspendLayout();
- //
- // imageList1
- //
- this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
- this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
- this.imageList1.TransparentColor = System.Drawing.SystemColors.ControlLightLight;
- //
- // 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.Location = new System.Drawing.Point(0, 40);
- this.groupBox1.Name = "groupBox1";
- this.groupBox1.Size = new System.Drawing.Size(568, 56);
- this.groupBox1.TabIndex = 34;
- 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, 24);
- this.btnSearch.Name = "btnSearch";
- this.btnSearch.Size = new System.Drawing.Size(72, 23);
- this.btnSearch.TabIndex = 0;
- this.btnSearch.Text = " 搜索";
- this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
- //
- // txt1
- //
- this.txt1.Location = new System.Drawing.Point(168, 24);
- this.txt1.Name = "txt1";
- this.txt1.TabIndex = 2;
- this.txt1.Text = "";
- //
- // label2
- //
- this.label2.Location = new System.Drawing.Point(104, 28);
- this.label2.Name = "label2";
- this.label2.Size = new System.Drawing.Size(56, 16);
- this.label2.TabIndex = 1;
- this.label2.Text = "类型编号";
- //
- // label1
- //
- this.label1.Location = new System.Drawing.Point(304, 27);
- this.label1.Name = "label1";
- this.label1.Size = new System.Drawing.Size(56, 16);
- this.label1.TabIndex = 1;
- this.label1.Text = "类型名称";
- //
- // txt2
- //
- this.txt2.Location = new System.Drawing.Point(360, 24);
- this.txt2.Name = "txt2";
- this.txt2.TabIndex = 2;
- this.txt2.Text = "";
- //
- // label3
- //
- this.label3.Location = new System.Drawing.Point(392, 136);
- this.label3.Name = "label3";
- this.label3.Size = new System.Drawing.Size(72, 16);
- this.label3.TabIndex = 1;
- this.label3.Text = "类型编号";
- //
- // txt3
- //
- this.txt3.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "图书类型.类型编号"));
- this.txt3.Location = new System.Drawing.Point(392, 152);
- this.txt3.Name = "txt3";
- this.txt3.ReadOnly = true;
- this.txt3.TabIndex = 2;
- this.txt3.Text = "";
- //
- // dataSet11
- //
- this.dataSet11.DataSetName = "DataSet1";
- this.dataSet11.Locale = new System.Globalization.CultureInfo("zh-CN");
- //
- // toolBar1
- //
- this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
- this.tBtnFirst,
- this.tBtnPre,
- this.tBtnNext,
- this.tBtnLast,
- this.tBtnNew,
- this.tBtnEdit,
- this.tBtnDelete,
- this.tBtnSubmit,
- this.tBtnCancel,
- this.tBtnQuit});
- this.toolBar1.DropDownArrows = true;
- this.toolBar1.ImageList = this.imageList1;
- this.toolBar1.Location = new System.Drawing.Point(0, 0);
- this.toolBar1.Name = "toolBar1";
- this.toolBar1.ShowToolTips = true;
- this.toolBar1.Size = new System.Drawing.Size(584, 41);
- this.toolBar1.TabIndex = 35;
- this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
- //
- // tBtnFirst
- //
- this.tBtnFirst.ImageIndex = 0;
- this.tBtnFirst.Text = "首记录";
- this.tBtnFirst.ToolTipText = "首记录";
- //
- // tBtnPre
- //
- this.tBtnPre.ImageIndex = 1;
- this.tBtnPre.Text = "上一记录";
- this.tBtnPre.ToolTipText = "上一记录";
- //
- // tBtnNext
- //
- this.tBtnNext.ImageIndex = 2;
- this.tBtnNext.Text = "下一记录";
- this.tBtnNext.ToolTipText = "下一记录";
- //
- // tBtnLast
- //
- this.tBtnLast.ImageIndex = 3;
- this.tBtnLast.Text = "尾记录";
- this.tBtnLast.ToolTipText = "尾记录";
- //
- // tBtnNew
- //
- this.tBtnNew.ImageIndex = 4;
- this.tBtnNew.Text = "新增";
- this.tBtnNew.ToolTipText = "新增";
- //
- // tBtnEdit
- //
- this.tBtnEdit.ImageIndex = 5;
- this.tBtnEdit.Text = "修改";
- this.tBtnEdit.ToolTipText = "修改";
- //
- // tBtnDelete
- //
- this.tBtnDelete.ImageIndex = 6;
- this.tBtnDelete.Text = "删除";
- this.tBtnDelete.ToolTipText = "删除";
- //
- // tBtnSubmit
- //
- this.tBtnSubmit.ImageIndex = 7;
- this.tBtnSubmit.Text = "提交";
- this.tBtnSubmit.ToolTipText = "提交";
- //
- // tBtnCancel
- //
- this.tBtnCancel.ImageIndex = 8;
- this.tBtnCancel.Text = "取消";
- this.tBtnCancel.ToolTipText = "取消";
- //
- // tBtnQuit
- //
- this.tBtnQuit.ImageIndex = 9;
- this.tBtnQuit.Text = "退出";
- this.tBtnQuit.ToolTipText = "退出";
- //
- // dataGrid1
- //
- this.dataGrid1.CaptionVisible = false;
- this.dataGrid1.DataMember = "图书类型";
- this.dataGrid1.DataSource = this.dataSet11;
- this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
- this.dataGrid1.Location = new System.Drawing.Point(0, 96);
- this.dataGrid1.Name = "dataGrid1";
- this.dataGrid1.ReadOnly = true;
- this.dataGrid1.Size = new System.Drawing.Size(368, 392);
- this.dataGrid1.TabIndex = 36;
- //
- // txt4
- //
- this.txt4.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "图书类型.可借天数"));
- this.txt4.Location = new System.Drawing.Point(392, 216);
- this.txt4.Name = "txt4";
- this.txt4.ReadOnly = true;
- this.txt4.TabIndex = 2;
- this.txt4.Text = "";
- //
- // label4
- //
- this.label4.Location = new System.Drawing.Point(392, 200);
- this.label4.Name = "label4";
- this.label4.Size = new System.Drawing.Size(72, 16);
- this.label4.TabIndex = 1;
- this.label4.Text = "可借天数";
- //
- // txt5
- //
- this.txt5.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.dataSet11, "图书类型.类型名称"));
- this.txt5.Location = new System.Drawing.Point(392, 280);
- this.txt5.Name = "txt5";
- this.txt5.ReadOnly = true;
- this.txt5.Size = new System.Drawing.Size(168, 21);
- this.txt5.TabIndex = 2;
- this.txt5.Text = "";
- //
- // label5
- //
- this.label5.Location = new System.Drawing.Point(392, 264);
- this.label5.Name = "label5";
- this.label5.Size = new System.Drawing.Size(64, 16);
- this.label5.TabIndex = 1;
- this.label5.Text = "类型名称";
- //
- // da1
- //
- this.da1.DeleteCommand = this.sqlDeleteCommand1;
- this.da1.InsertCommand = this.sqlInsertCommand1;
- this.da1.SelectCommand = this.sqlSelectCommand1;
- this.da1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
- new System.Data.Common.DataTableMapping("Table", "图书类型", new System.Data.Common.DataColumnMapping[] {
- new System.Data.Common.DataColumnMapping("类型编号", "类型编号"),
- new System.Data.Common.DataColumnMapping("类型名称", "类型名称"),
- new System.Data.Common.DataColumnMapping("可借天数", "可借天数")})});
- this.da1.UpdateCommand = this.sqlUpdateCommand1;
- //
- // sqlDeleteCommand1
- //
- this.sqlDeleteCommand1.CommandText = "DELETE FROM 图书类型 WHERE (类型编号 = @Original_类型编号) AND (可借天数 = @Original_可借天数 OR @Ori" +
- "ginal_可借天数 IS NULL AND 可借天数 IS NULL) AND (类型名称 = @Original_类型名称 OR @Original_类型名" +
- "称 IS NULL AND 类型名称 IS NULL)";
- this.sqlDeleteCommand1.Connection = this.sqlConnection1;
- this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_类型编号", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类型编号", System.Data.DataRowVersion.Original, null));
- this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_可借天数", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "可借天数", System.Data.DataRowVersion.Original, null));
- this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_类型名称", System.Data.SqlDbType.VarChar, 100, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类型名称", System.Data.DataRowVersion.Original, null));
- //
- // sqlConnection1
- //
- this.sqlConnection1.ConnectionString = "workstation id=localhost;Integrated Security=SSPI;Database=libbook;";
- //
- // sqlInsertCommand1
- //
- this.sqlInsertCommand1.CommandText = "INSERT INTO 图书类型(类型编号, 类型名称, 可借天数) VALUES (@类型编号, @类型名称, @可借天数); SELECT 类型编号, 类型名" +
- "称, 可借天数 FROM 图书类型 WHERE (类型编号 = @类型编号)";
- this.sqlInsertCommand1.Connection = this.sqlConnection1;
- this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@类型编号", System.Data.SqlDbType.VarChar, 50, "类型编号"));
- this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@类型名称", System.Data.SqlDbType.VarChar, 100, "类型名称"));
- this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@可借天数", System.Data.SqlDbType.Int, 4, "可借天数"));
- //
- // sqlSelectCommand1
- //
- this.sqlSelectCommand1.CommandText = "SELECT 类型编号, 类型名称, 可借天数 FROM 图书类型 WHERE (类型编号 LIKE @Param3) AND (类型名称 LIKE @Param" +
- "4)";
- this.sqlSelectCommand1.Connection = this.sqlConnection1;
- this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param3", System.Data.SqlDbType.VarChar, 50, "类型编号"));
- this.sqlSelectCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Param4", System.Data.SqlDbType.VarChar, 100, "类型名称"));
- //
- // sqlUpdateCommand1
- //
- this.sqlUpdateCommand1.CommandText = @"UPDATE 图书类型 SET 类型编号 = @类型编号, 类型名称 = @类型名称, 可借天数 = @可借天数 WHERE (类型编号 = @Original_类型编号) AND (可借天数 = @Original_可借天数 OR @Original_可借天数 IS NULL AND 可借天数 IS NULL) AND (类型名称 = @Original_类型名称 OR @Original_类型名称 IS NULL AND 类型名称 IS NULL); SELECT 类型编号, 类型名称, 可借天数 FROM 图书类型 WHERE (类型编号 = @类型编号)";
- this.sqlUpdateCommand1.Connection = this.sqlConnection1;
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@类型编号", System.Data.SqlDbType.VarChar, 50, "类型编号"));
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@类型名称", System.Data.SqlDbType.VarChar, 100, "类型名称"));
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@可借天数", System.Data.SqlDbType.Int, 4, "可借天数"));
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_类型编号", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类型编号", System.Data.DataRowVersion.Original, null));
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_可借天数", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "可借天数", System.Data.DataRowVersion.Original, null));
- this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_类型名称", System.Data.SqlDbType.VarChar, 100, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "类型名称", System.Data.DataRowVersion.Original, null));
- //
- // BookClassify
- //
- this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
- this.ClientSize = new System.Drawing.Size(584, 485);
- this.Controls.Add(this.dataGrid1);
- this.Controls.Add(this.toolBar1);
- this.Controls.Add(this.groupBox1);
- this.Controls.Add(this.txt3);
- this.Controls.Add(this.label3);
- this.Controls.Add(this.txt4);
- this.Controls.Add(this.label4);
- this.Controls.Add(this.txt5);
- this.Controls.Add(this.label5);
- this.Name = "BookClassify";
- this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
- this.Text = "【图书类型设置】";
- this.Load += new System.EventHandler(this.BookClassify_Load);
- this.groupBox1.ResumeLayout(false);
- ((System.ComponentModel.ISupportInitialize)(this.dataSet11)).EndInit();
- ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
- this.ResumeLayout(false);
- }
- #endregion
- //---------显示窗口,读入全部数据-----------
- private void BookClassify_Load(object sender, System.EventArgs e)
- {
- da1.SelectCommand.Parameters[0].Value="%%";
- da1.SelectCommand.Parameters[1].Value="%%";
- da1.Fill(dataSet11);
- //设置数据导航
- cmOrders=(CurrencyManager) BindingContext[dataSet11,"图书类型"];
- }
- //----------根据输入的信息,查询图书类型信息--------
- private void btnSearch_Click(object sender, System.EventArgs e)
- {
- da1.SelectCommand.Parameters[0].Value="%%";
- da1.SelectCommand.Parameters[1].Value="%%";
- if(txt1.Text!="")
- {
- da1.SelectCommand.Parameters[0].Value="%"+txt1.Text+"%";
- }
- if(txt2.Text!="")
- {
- da1.SelectCommand.Parameters[1].Value="%"+txt2.Text+"%";
- }
- dataSet11.图书类型.Clear();
- da1.Fill(dataSet11);
- }
- //-------------处理工具栏事务------------
- private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
- {
- if (e.Button.ToolTipText == "首记录")
- {
- this.dataGrid1.UnSelect(cmOrders.Position); //取消原选中的行
- cmOrders.Position = 0;
- this.dataGrid1.Select(cmOrders.Position); //选中当前行
- this.dataGrid1.CurrentRowIndex = cmOrders.Position; //移动表头指示图标
- return;
- }
- if (e.Button.ToolTipText == "上一记录")
- {
- if (cmOrders.Position >= 0)
- {
- this.dataGrid1.UnSelect(cmOrders.Position);
- cmOrders.Position--;
- this.dataGrid1.Select(cmOrders.Position);
- this.dataGrid1.CurrentRowIndex = cmOrders.Position;
- }
- return;
- }
- if (e.Button.ToolTipText == "下一记录")
- {
- if (cmOrders.Position <= cmOrders.Count-1)
- {
- this.dataGrid1.UnSelect(cmOrders.Position);
- cmOrders.Position++;
- this.dataGrid1.Select(cmOrders.Position);
- this.dataGrid1.CurrentRowIndex = cmOrders.Position;
- }
- return;
- }
- if (e.Button.ToolTipText == "尾记录")
- {
- this.dataGrid1.UnSelect(cmOrders.Position);
- cmOrders.Position = cmOrders.Count-1;
- this.dataGrid1.Select(cmOrders.Position);
- this.dataGrid1.CurrentRowIndex = cmOrders.Position;
- return;
- }
- if(e.Button.ToolTipText=="新增")
- {
- cmOrders.AddNew();
- //设置默认值
- SetDefaultValue();
- //设置编辑属性
- SetModifyMode(true);
- }
- if(e.Button.ToolTipText=="修改")
- {
- SetModifyMode(true);
- }
- if(e.Button.ToolTipText=="删除")
- {
- DialogResult result=MessageBox.Show("确认删除?","删除数据",MessageBoxButtons.OKCancel);
- if(result==DialogResult.OK)
- if(cmOrders.Count>0)//立即从数据集中删除
- {
- cmOrders.RemoveAt(cmOrders.Position);
- da1.Update(dataSet11);
- }
- else
- MessageBox.Show("表中为空,已无可删除数据","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
- }
- if(e.Button.ToolTipText=="提交")
- {
- if(txt3.Text.Trim()=="")//检查字段
- {
- MessageBox.Show("请输入类型编号","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning);
- return;
- }
- if(txt5.Text.Trim()=="")
- {
- MessageBox.Show("请输入类型名称","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning);
- return;
- }
- cmOrders.EndCurrentEdit();
- if(dataSet11.GetChanges()!=null)
- {
- try
- {
- da1.Update(dataSet11);
- SetModifyMode(false);
- }
- catch(Exception express)
- {
- MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
- dataSet11.RejectChanges();
- }
- }
- return;
- }
- if (e.Button.ToolTipText == "取消")
- {
- try
- {
- cmOrders.CancelCurrentEdit(); //取消编辑
- SetModifyMode(false);
- }
- catch(Exception express)
- {
- MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
- }
- return;
- }
- if(e.Button.ToolTipText=="退出")
- {
- this.Close();
- }
- }
- //--------------对控件的属性做设置---------------
- private void SetModifyMode(bool blnEdit)
- {
- //设置文本框和下拉列表框属性
- txt4.ReadOnly=!blnEdit;
- txt5.ReadOnly=!blnEdit;
- txt3.ReadOnly=!blnEdit;
- //设置搜索按钮属性
- btnSearch.Enabled=!blnEdit;
- }
- //------------在新增数据时,设置默认值--------------
- private void SetDefaultValue()
- {
- string strConn = "workstation id=localhost;Integrated Security=SSPI;database=libbook";
- SqlConnection cn=new SqlConnection(strConn);
- cn.Open();
- SqlCommand cmd=cn.CreateCommand();
- cmd.CommandText="select max(类型编号) 最大编号 from 图书类型";
- int maxID=1;//计算新编号
- object result=cmd.ExecuteScalar();
- if(result!=System.DBNull.Value)
- {
- maxID=Convert.ToInt32(result)+1;
- }
- int length=maxID.ToString().Length;
- switch(length)
- {
- case 1:
- txt3.Text="00"+maxID.ToString();
- break;
- case 2:
- txt3.Text="0"+maxID.ToString();
- break;
- case 3:
- txt3.Text=maxID.ToString();
- break;
- }
- txt4.Text="1";//设置默认可借天数
- }
- }
- }