C#弹出窗体 C#导出Excel C#数据展示框 C#弹出框

1、new 一个窗体，然后设置窗体属性。

2、添加数据展示控件，显示数据。

3、添加按钮控件，调用导出Excel代码，实现导出Excel功能。

using System;using System.Collections.Generic;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Text;using System.Threading;using System.Windows.Forms;using DevExpress.Utils;using DevExpress.XtraEditors;using DevExpress.XtraGrid;using DevExpress.XtraGrid.Views.Grid;using DevExpress.XtraTab;using SynData.MsBox;namespace SynData{public class DevHelper{#region =======================================弹出消息框=========================================/// <summary>/// 弹出消息框，大消息/// </summary>/// <param name="title">显示标题</param>/// <param name="msg">弹出消息框</param>/// <returns></returns>F:\MyBak\Web_Code\数据通同步\SynData\MsBox\MsMBox.cspublic static void MesBox(string title){MsMBox f = new MsMBox(title, 1);f.Show();}/// <summary>/// 弹出消息框，大消息/// </summary>/// <param name="title">显示标题</param>/// <param name="msg">弹出消息框</param>/// <returns></returns>F:\MyBak\Web_Code\数据通同步\SynData\MsBox\MsDialogResult.cspublic static void MsDialogResult(string msg){MsDialogResult f = new MsDialogResult(msg, true);f.ShowDialog();}/// <summary>/// 弹出消息框，大消息/// </summary>/// <param name="title">显示标题</param>/// <param name="msg">弹出消息框</param>/// <returns></returns>F:\MyBak\Web_Code\数据通同步\SynData\MsBox\MsDialogResult.cspublic static void MsDialogResult(string msg, bool bl){MsDialogResult f = new MsDialogResult(msg, bl);f.ShowDialog();}#endregion#region ========================================GridLookUpEdit 数据显示========================================/// <summary>/// GridLookUpEdit 数据显示/// </summary>/// <param name="gridLookUpEdit">GridLookUpEdit</param>/// <param name="sql">sql 语句</param>/// <param name="displaymember">绑定Text显示的字段源名称</param>/// <param name="valuemember">绑定Value字段源名称</param>/// <param name="ConnectionStringLocalTransaction">连接字符串</param>public static void GetApiisid(GridLookUpEdit gridLookUpEdit, string sql, string displaymember, string valuemember, string ConnectionStringLocalTransaction){DataTable dt = SQlHelper.GetDataTable(ConnectionStringLocalTransaction,sql).Tables[0];gridLookUpEdit.Properties.View.OptionsBehavior.AutoPopulateColumns = false;gridLookUpEdit.Properties.DataSource = dt; //数据源gridLookUpEdit.Properties.DisplayMember = displaymember; //绑定Text显示的字段源名称gridLookUpEdit.Properties.ValueMember = valuemember; //绑定Value字段源名称gridLookUpEdit.Properties.NullText = null;gridLookUpEdit.Properties.AllowNullInput = DevExpress.Utils.DefaultBoolean.True;gridLookUpEdit.Properties.View.BestFitColumns();gridLookUpEdit.Properties.View.OptionsView.ShowAutoFilterRow = true; //显示不显示grid上第一个空行,也是用于检索的应用 }#endregion#region ===========================================GridContrl表格样式设计，可以导出数据。========================================/// <summary>/// 表格样式设计，可以导出数据。/// </summary>/// <param name="GCOrderItem">GridControl</param>/// <param name="TableName">表名</param>/// <param name="istype">是否依类型显示数据</param>/// <param name="constr">数据库连接字符串</param>public static void GetSetGridContrl(GridControl GCOrderItem, string TableName, string istype, string constr){GridView gridView1 = (GridView)GCOrderItem.MainView;gridView1.IndicatorWidth = 40;gridView1.OptionsView.ShowAutoFilterRow = true;gridView1.OptionsView.ColumnAutoWidth = false;//自动列宽,会出现横向滚动条gridView1.OptionsView.ColumnAutoWidth = false;//自动列宽 gridView1.BestFitColumns();StringBuilder sb = new StringBuilder();sb.Append("SELECT ");sb.Append(" TableName,TableReMark,FileNames,FileReMark,LONG ,type2,LONG2 ");sb.Append("FROM dbo.Lan_TableField ");sb.Append("WHERE TableName = '" + TableName + "' order by SortNo ");DataTable dt = SQlHelper.GetDataTable(constr, sb.ToString()).Tables[0];for (int i = 0; i < dt.Rows.Count; i++){string filename = dt.Rows[i]["FileNames"].ToString().Trim();string rem = dt.Rows[i]["FileReMark"].ToString().Trim();string FILETYPE = dt.Rows[i]["type2"].ToString().Trim().ToUpper();int LONG = Convert.ToInt32(dt.Rows[i]["LONG2"].ToString().Trim());DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn();Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;if (istype == "依类型"){if (FILETYPE == "时间"){Col1.DisplayFormat.FormatType = FormatType.DateTime;Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss";}if (FILETYPE == "数值"){Col1.DisplayFormat.FormatType = FormatType.Numeric;}}Col1.Width = LONG;if (LONG < 60){Col1.Width = 100;}Col1.Tag = filename + " ; " + rem;Col1.Name = filename;Col1.FieldName = filename;Col1.Caption = rem;Col1.VisibleIndex = i;gridView1.Columns.Add(Col1);}gridView1.OptionsView.ShowGroupPanel = false;gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 设置奇数行颜色 // 默认也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面绑定 同时使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 设置偶数行颜色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面绑定 同时使用有效gridView1.CustomDrawRowIndicator += gridView1_CustomDrawRowIndicator;}#endregion#region ================================================弹出导出Excel窗体方法================================================/// <summary>/// 将 DataRow[] 集合显示到表中/// </summary>/// <param name="Mdr"></param>public static void ExprlDataRow(DataRow[] Mdr){if (Mdr != null){DataTable newdt = new DataTable();try{DataTable DTtemp = Mdr[0].Table;newdt = DTtemp.Clone();for (int i = 0; i < Mdr.Length; i++){newdt.ImportRow((DataRow)Mdr[i]);}}catch (Exception ex){MessageBox.Show(ex.Message);}ExprlDataTable(newdt);}}/// <summary>/// 将 DataRow 显示到表中/// </summary>/// <param name="Mdr"></param>public static void ExprlDataRow(DataRow Mdr){if (Mdr != null){DataTable newdt = new DataTable();try{DataTable DTtemp = Mdr.Table;newdt = DTtemp.Clone();newdt.ImportRow((DataRow)Mdr);}catch (Exception ex){MessageBox.Show(ex.Message);}ExprlDataTable(newdt);}}/// <summary>/// 弹出异常消息框，可导出数异常数据/// </summary>/// <param name="TableName">异常数据表名</param>/// <param name="dt">异常消息表</param>/// <param name="fText">弹出框显示文本</param>/// <param name="con">连接字符串</param>public static void ExprlDataTable(DataTable dt){/*------------------------------创建窗体-------------------------------------*/Form f = GetSetFrom();/*------------------------------创建Panel容器-------------------------------------*/Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]);/*------------------------------------数据展示----------------------------------------*/if (dt != null){/*------------------------------ 添加选卡控件-------------------------------------*/XtraTabControl tab = new XtraTabControl();tab.Name = "XTC";pl.Controls.Add(tab);tab.Dock = System.Windows.Forms.DockStyle.Fill;/*------------------------------ 创建选卡-------------------------------------*/XtraTabPage xtra = new XtraTabPage();xtra.Name = dt.TableName;//设置选卡name xtra.Text = dt.TableName;//设置选卡显示文本/*------------------------------ 创建数据展示控件GridControl------------------*/DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt);xtra.Controls.Add(GCOrderItem);tab.TabPages.Add(xtra);f.Show();}}/// <summary>/// 弹出异常消息框，可导出数异常数据/// </summary>/// <param name="TableName">异常数据表名</param>/// <param name="dt">异常消息表</param>/// <param name="fText">弹出框显示文本</param>/// <param name="con">连接字符串</param>public static void ExprlDataSet(DataSet ds){/*------------------------------创建窗体-------------------------------------*/Form f = GetSetFrom();/*------------------------------创建Panel容器-------------------------------------*/Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]);/*------------------------------------数据展示----------------------------------------*/if (ds != null){/*------------------------------ 添加选卡控件-------------------------------------*/XtraTabControl tab = new XtraTabControl();tab.Name = "XTC";pl.Controls.Add(tab);tab.Dock = System.Windows.Forms.DockStyle.Fill;for (int t = 0; t < ds.Tables.Count; t++){DataTable dt = ds.Tables[t];/*------------------------------ 创建选卡-------------------------------------*/XtraTabPage xtra = new XtraTabPage();xtra.Name = dt.TableName;//设置选卡name xtra.Text = dt.TableName;//设置选卡显示文本/*------------------------------ 创建数据展示控件GridControl------------------*/DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt);xtra.Controls.Add(GCOrderItem);tab.TabPages.Add(xtra);}f.Show();}}/// <summary>/// 弹出异常消息框，可导出数异常数据/// </summary>/// <param name="TableName">异常数据表名</param>/// <param name="dt">异常消息表</param>/// <param name="fText">弹出框显示文本</param>/// <param name="con">连接字符串</param>public static void ExprlDictionary(Dictionary<string, DataTable> Dic){/*------------------------------创建窗体-------------------------------------*/Form f = GetSetFrom();/*------------------------------创建Panel容器-------------------------------------*/Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]);/*------------------------------------数据展示----------------------------------------*/if (Dic != null){/*------------------------------ 添加选卡控件-------------------------------------*/XtraTabControl tab = new XtraTabControl();tab.Name = "XTC";pl.Controls.Add(tab);tab.Dock = System.Windows.Forms.DockStyle.Fill;foreach (KeyValuePair<string, DataTable> item2 in Dic){DataTable dt = item2.Value;/*------------------------------ 创建选卡-------------------------------------*/XtraTabPage xtra = new XtraTabPage();xtra.Name = dt.TableName;//设置选卡name xtra.Text = dt.TableName;//设置选卡显示文本/*------------------------------ 创建数据展示控件GridControl------------------*/DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(dt);xtra.Controls.Add(GCOrderItem);tab.TabPages.Add(xtra);} f.Show();}}/// <summary>/// 弹出异常消息框，可导出数异常数据/// </summary>/// <param name="TableName">异常数据表名</param>/// <param name="dt">异常消息表</param>/// <param name="fText">弹出框显示文本</param>/// <param name="con">连接字符串</param>public static void ExprlList(List<DataTable> Dic){/*------------------------------创建窗体-------------------------------------*/Form f = GetSetFrom();/*------------------------------创建Panel容器-------------------------------------*/Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]);/*------------------------------------数据展示----------------------------------------*/if (Dic != null){/*------------------------------ 添加选卡控件-------------------------------------*/XtraTabControl tab = new XtraTabControl();tab.Name = "XTC";pl.Controls.Add(tab);tab.Dock = System.Windows.Forms.DockStyle.Fill;foreach (DataTable item2 in Dic){/*------------------------------ 创建选卡-------------------------------------*/XtraTabPage xtra = new XtraTabPage();xtra.Name = item2.TableName;//设置选卡name xtra.Text = item2.TableName;//设置选卡显示文本/*------------------------------ 创建数据展示控件GridControl------------------*/DevExpress.XtraGrid.GridControl GCOrderItem = CreateGCOrderItem(item2);xtra.Controls.Add(GCOrderItem);tab.TabPages.Add(xtra);}f.Show();}}/// <summary>/// 创建From 以及Panel/// </summary>/// <returns></returns>public static Form GetSetFrom(){/*------------------------------创建窗体-------------------------------------*/Form f = new Form();f.Text = "数据展示";//dt2.Rows[0]["TableReMark"].ToString();//显示窗体名称f.StartPosition = FormStartPosition.CenterScreen;f.Size = new System.Drawing.Size(560, 470);f.FormClosing += f_FormClosing;/*-----------------------------创建导出按钮--------------------------------------*/Label LbtnExcel = new Label();LbtnExcel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;LbtnExcel.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(0)))), ((int)(((byte)(192)))));LbtnExcel.Image = global::SynData.Properties.Resources.get_mail_24px_33246_easyicon_net;LbtnExcel.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;LbtnExcel.Location = new System.Drawing.Point(432, 5);LbtnExcel.Name = "label14";LbtnExcel.Size = new System.Drawing.Size(100, 29);LbtnExcel.TabIndex = 0;LbtnExcel.Text = "导出Excel";LbtnExcel.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));LbtnExcel.TextAlign = System.Drawing.ContentAlignment.MiddleRight;LbtnExcel.Click += new System.EventHandler(BtnExprl_Click);LbtnExcel.MouseEnter += new System.EventHandler(label_MouseEnter);//鼠标移到控件上时手型鼠标LbtnExcel.MouseLeave += new System.EventHandler(label_MouseLeave);//鼠标移到控件上时手型鼠标LbtnExcel.Anchor = ((System.Windows.Forms.AnchorStyles)(System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right));//窗体添加按钮 f.Controls.Add(LbtnExcel);/*------------------------------创建Panel容器-------------------------------------*/Panel pl = new Panel();pl.Location = new System.Drawing.Point(8, 40);pl.Size = new System.Drawing.Size(530, 380);f.Controls.Add(pl);//上下左右靠拢pl.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)| System.Windows.Forms.AnchorStyles.Left)| System.Windows.Forms.AnchorStyles.Right)));pl.Name = "FPL";return f;}/// <summary>/// 返回绑定好数据的 GridControl/// </summary>/// <param name="dt">绑定的数据</param>/// <returns></returns>public static GridControl CreateGCOrderItem(DataTable dt ){/*------------------------------ 创建数据展示控件GridControl------------------*/GridView gridView1 = new GridView();DevExpress.XtraGrid.GridControl GCOrderItem = new DevExpress.XtraGrid.GridControl();GCOrderItem.Dock = System.Windows.Forms.DockStyle.Fill;GCOrderItem.MainView = gridView1;GCOrderItem.Name = "GC" + dt.TableName;//设置GridControl名称GCOrderItem.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] { gridView1 });gridView1.GridControl = GCOrderItem;gridView1.Name = "gV" + dt.TableName;//设置gridView1名称gridView1.OptionsBehavior.Editable = false;gridView1.OptionsBehavior.EditorShowMode = DevExpress.Utils.EditorShowMode.Click;gridView1.OptionsView.ShowGroupPanel = false;gridView1.IndicatorWidth = 40;gridView1.OptionsView.ShowAutoFilterRow = true;gridView1.OptionsView.ColumnAutoWidth = false;//自动列宽,会出现横向滚动条 //自动列宽 gridView1.BestFitColumns();if (dt.Rows.Count > 0){for (int i = 0; i < dt.Columns.Count; i++){//控件添加列DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn();if (dt.Columns[i].DataType.ToString() =="System.DateTime"){Col1.DisplayFormat.FormatType = FormatType.DateTime;Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss";}Col1.Name = dt.Columns[i].Caption.ToString();// 控件列名Col1.FieldName = dt.Columns[i].Caption.ToString();// 列数据源字段名Col1.Caption = dt.Columns[i].Caption.ToString();// 列标题Col1.VisibleIndex = i;Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;//Col1.DisplayFormat.FormatType = dt.Columns[i].DataType;gridView1.Columns.Add(Col1);}}gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 设置奇数行颜色 // 默认也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面绑定 同时使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 设置偶数行颜色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面绑定 同时使用有效/* 自动添加 行索引 以及 模糊查询设置*/gridView1.CustomDrawRowIndicator += new DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventHandler(gridView1_CustomDrawRowIndicator);GCOrderItem.DataSource = dt;//数据源绑定return GCOrderItem;}/// <summary>/// 弹出异常消息框，可导出数异常数据/// </summary>/// <param name="TableName">异常数据表名</param>/// <param name="dt">异常消息表</param>/// <param name="fText">弹出框显示文本</param>/// <param name="con">连接字符串</param>public static void GetSetGridContrl(string TableName, DataTable dt, string con){StringBuilder sb = new StringBuilder();sb.Append("SELECT ");sb.Append(" TableName,TableReMark,FileNames,FileReMark,LONG ,type2,LONG2 ");sb.Append("FROM dbo.Lan_TableField ");sb.Append("WHERE TableName = '" + TableName + "' order by SortNo ");DataTable dt2 = SQlHelper.GetDataTable(con, sb.ToString()).Tables[0];Form f = new Form();f.StartPosition = FormStartPosition.CenterScreen;f.Size = new System.Drawing.Size(560, 470);//f.Text = fText;f.FormClosing += f_FormClosing;GridView gridView1 = new GridView();DevExpress.XtraGrid.GridControl GCOrderItem = new DevExpress.XtraGrid.GridControl();GCOrderItem.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)| System.Windows.Forms.AnchorStyles.Left)| System.Windows.Forms.AnchorStyles.Right)));Button btn = new Button();btn.Text = "导出Excel";btn.Click += btn_Click;btn.Location = new System.Drawing.Point(460, 5);btn.Anchor = ((System.Windows.Forms.AnchorStyles)(System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right));btn.Size = new System.Drawing.Size(80, 29);f.Controls.Add(btn);Label lb = new Label();lb.Name = "lbExcel";lb.Location = new System.Drawing.Point(80, 80);lb.Visible = false;lb.ForeColor = Color.Red;lb.Font = new System.Drawing.Font("微软雅黑", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));GCOrderItem.Cursor = System.Windows.Forms.Cursors.Default;//GCOrderItem.Dock = System.Windows.Forms.DockStyle.Fill;GCOrderItem.Location = new System.Drawing.Point(8, 40);GCOrderItem.MainView = gridView1;GCOrderItem.Name = "GCOrderItem";GCOrderItem.Size = new System.Drawing.Size(530, 380);GCOrderItem.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] {gridView1});f.Controls.Add(GCOrderItem);gridView1.GridControl = GCOrderItem;gridView1.Name = "gridView1";gridView1.OptionsBehavior.Editable = false;gridView1.OptionsBehavior.EditorShowMode = DevExpress.Utils.EditorShowMode.Click;gridView1.OptionsView.ShowGroupPanel = false;gridView1.IndicatorWidth = 40;gridView1.OptionsView.ShowAutoFilterRow = true;gridView1.OptionsView.ColumnAutoWidth = false;//自动列宽,会出现横向滚动条gridView1.OptionsView.ColumnAutoWidth = false;//自动列宽 gridView1.BestFitColumns();if (dt2.Rows.Count > 0){string FILETYPE = "";for (int i = 0; i < dt2.Rows.Count; i++){DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn();Col1.Name = dt2.Rows[i]["FileNames"].ToString();// itm.Key;Col1.FieldName = dt2.Rows[i]["FileNames"].ToString();// itm.Key;Col1.Caption = dt2.Rows[i]["FileReMark"].ToString(); //itm.Value;Col1.VisibleIndex = i;Col1.Width = Convert.ToInt32(dt2.Rows[i]["LONG2"].ToString());Col1.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;FILETYPE = dt2.Rows[i]["type2"].ToString().Trim().ToUpper();if (FILETYPE == "时间"){Col1.DisplayFormat.FormatType = FormatType.DateTime;Col1.DisplayFormat.FormatString = "yyyy-MM-dd HH:mm:ss";}if (FILETYPE == "数值"){Col1.DisplayFormat.FormatType = FormatType.Numeric;}gridView1.Columns.Add(Col1);}f.Text = dt2.Rows[0]["TableReMark"].ToString();//显示窗体名称 }gridView1.Appearance.OddRow.BackColor = Color.PaleGoldenrod; // 设置奇数行颜色 // 默认也是白色 可以省略 gridView1.OptionsView.EnableAppearanceOddRow = true; // 使能 // 和和上面绑定 同时使用有效 gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 设置偶数行颜色 gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面绑定 同时使用有效gridView1.CustomDrawRowIndicator += new DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventHandler(gridView1_CustomDrawRowIndicator);GCOrderItem.DataSource = dt;f.Show();}private static void BtnExprl_Click(object sender, EventArgs e){string path = BLL_getpath();//选择路径string path2 = path.Replace(".xls", "").Replace(".xlsx", "");/*如果路径不存在那么创建路径*/if (!Directory.Exists(path2)){Directory.CreateDirectory(path2);}try{Label btn = (Label)sender; /*获取按钮对象*/Form f = btn.FindForm();/*获取窗体对象*/DevExpress.XtraGrid.GridControl GCOrderItem = null;/*获取数据展示控件*/Panel pl = (Panel)(f.Controls.Find("FPL", true)[0]);XtraTabControl tab = (XtraTabControl)pl.Controls.Find("XTC", true)[0];foreach (XtraTabPage gc in tab.TabPages){foreach (Control con in gc.Controls){if (con.GetType().ToString() == "DevExpress.XtraGrid.GridControl"){GCOrderItem = new GridControl();GCOrderItem = (DevExpress.XtraGrid.GridControl)con;DataTable dt = (DataTable)GCOrderItem.DataSource;GridView dv = (GridView)GCOrderItem.MainView;/*获取数据表*/DataTable DT_sap = dt.Clone();for (int i = 0; i < dt.Rows.Count; i++){DataRow dr = DT_sap.NewRow();for (int j = 0; j < dt.Columns.Count; j++){string col = dt.Columns[j].ColumnName;dr[col] = dt.Rows[i][col];}DT_sap.Rows.Add(dr);}/*转换中文列名*/foreach (DevExpress.XtraGrid.Columns.GridColumn gcm in dv.Columns){string name = gcm.Name;string text = gcm.Caption;DT_sap.Columns[name].Caption = text;DT_sap.Columns[name].ColumnName = text;}Label lb = new Label();/*快速 导出Excel方法*/WriteExcel(DT_sap, path2 + "\\" + GCOrderItem.Name + ".xls", lb);}}}}catch (Exception ex){MsDialogResult("导出失败！\r\n" + ex.Message.ToString(), false);}}/// <summary>/// 鼠标进入控件上方时，手型鼠标，背景灰色/// </summary>/// <param name="sender"></param>/// <param name="e"></param>public static void label_MouseEnter(object sender, EventArgs e){Label lable = (Label)sender;lable.Cursor = Cursors.Hand;lable.BackColor = Color.Gainsboro;}/// <summary>/// 鼠标离开控件时，箭头鼠标，背景恢复正常/// </summary>/// <param name="sender"></param>/// <param name="e"></param>public static void label_MouseLeave(object sender, EventArgs e){Label lable = (Label)sender;lable.Cursor = Cursors.Default;lable.BackColor = Control.DefaultBackColor;}static void f_FormClosing(object sender, FormClosingEventArgs e){Form f = (Form)sender;f.Dispose();}/// <summary>/// 导出Excel/// </summary>/// <param name="sender"></param>/// <param name="e"></param>static void btn_Click(object sender, EventArgs e){try{Button btn = (Button)sender;//获取按钮对象Form f = btn.FindForm();//获取 按钮 所在的窗体DevExpress.XtraGrid.GridControl GCOrderItem = null;foreach (Control con in f.Controls){if (con.Name == "GCOrderItem"){GCOrderItem = (DevExpress.XtraGrid.GridControl)con;DataTable dt = (DataTable)GCOrderItem.DataSource;GridView dv = (GridView)GCOrderItem.MainView;DataTable DT_sap = dt.Clone();for (int i = 0; i < dt.Rows.Count; i++){DataRow dr = DT_sap.NewRow();for (int j = 0; j < dt.Columns.Count; j++){string col = dt.Columns[j].ColumnName;dr[col] = dt.Rows[i][col];}DT_sap.Rows.Add(dr);}foreach (DevExpress.XtraGrid.Columns.GridColumn gcm in dv.Columns){string name = gcm.Name;string text = gcm.Caption;DT_sap.Columns[name].Caption = text;DT_sap.Columns[name].ColumnName = text;}string path = BLL_getpath();char[] anyOf = { '\\' };int count = path.LastIndexOfAny(anyOf);string filname1 = path.Substring(count + 1, path.Length - count - 1);string Table1 = path.Substring(0, count) + "\\" + filname1;Label lb = new Label();WriteExcel(DT_sap, Table1, lb);}}MsDialogResult("导出成功！");}catch (Exception ex){MsDialogResult(ex.Message.ToString(),false);} }/// <summary>/// 自动添加 行索引 以及 模糊查询设置/// </summary>/// <param name="sender"></param>/// <param name="e"></param>public static void gridView1_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e){ //添加行索引if (e.Info.IsRowIndicator && e.RowHandle >= 0){e.Info.DisplayText = (e.RowHandle + 1).ToString();}//模糊查询时 可以不用输入“%”foreach (DevExpress.XtraGrid.Columns.GridColumn item in ((GridView)sender).Columns){item.OptionsFilter.AutoFilterCondition = DevExpress.XtraGrid.Columns.AutoFilterCondition.Contains; //筛选条件设置为包含} }/// <summary>/// 获取Excel文件保存路径/// </summary>/// <returns></returns>public static string BLL_getpath(){SaveFileDialog saveFileDialog = new SaveFileDialog();saveFileDialog.Title = "保存的excel文件";saveFileDialog.InitialDirectory = "c:\\";saveFileDialog.Filter = "Excel97- (*.xls)|*.xls|All Files (*.*)|*.*";saveFileDialog.ShowDialog();string path = saveFileDialog.FileName;if (saveFileDialog.FileName == "" || saveFileDialog.FileName == null){path = "文件名不能为空!";}return path;}/// <summary>/// 快速导出Excel的方法/// </summary>/// <param name="dt"></param>/// <param name="path"></param>/// <param name="lblTip"></param>public static void WriteExcel(DataTable dt, string path, Label lblTip){try{lblTip.Visible = true;string mark = lblTip.Text;long totalCount = (long)dt.Rows.Count;lblTip.Text = string.Concat(new object[]{lblTip.Text,"共有",totalCount, "条数据。"});Thread.Sleep(1000);long rowRead = 0L;StreamWriter sw = new StreamWriter(path, false, Encoding.GetEncoding("gb2312"));StringBuilder sb = new StringBuilder();for (int i = 0; i < dt.Columns.Count; i++){sb.Append(dt.Columns[i].ColumnName.ToString() + "\t");}sb.Append(Environment.NewLine);for (int j = 0; j < dt.Rows.Count; j++){rowRead += 1L;lblTip.Text = mark + "正在写入[" + ((float)(100L * rowRead) / (float)totalCount).ToString("0.00") + "%]...的数据";Application.DoEvents();for (int k = 0; k < dt.Columns.Count; k++){string xmlss;if (dt.Rows[j][k] == null){xmlss = "空";}else if (dt.Rows[j][k].ToString().Trim() == ""){xmlss = "空";}else{xmlss = dt.Rows[j][k].ToString().Replace("\n", "").Replace("\r\n", "").Replace("\t", "").Replace("\\s", "").Replace("\\n", "").Replace("\r", "").Replace("\\r", "").Replace("@", "").Replace("\\", "").Replace("/", "");}sb.Append(xmlss + "\t");}sb.Append(Environment.NewLine);}sw.Write(sb.ToString());sw.Flush();sw.Close();lblTip.Text = "";lblTip.Visible = false;}catch (Exception ex){MessageBox.Show(ex.Message);}}#endregion }}

自己再学习和摸索阶段，代码写的有点乱，纯属瞎搞。