使用场景：
gridview绑定数据，某列数据太多，故超过一定字符，隐藏起来，同时鼠标移到指定列显示其明细信息；
知识点：
1，oderListTbl_DataBound事件中，添加，oderListTbl.Attributes.Add("style", "word-break:break-all;word-wrap:break-word");
2，web控件ToolTip属性，显示；
前台代码：
1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="addairevent.aspx.cs" Inherits="web.airchange.addairevent" %> 2 3 <%@ Register Assembly="AspNetPager" Namespace="Wuqi.Webdiyer" TagPrefix="webdiyer" %> 4 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 5 <html xmlns="http://www.w3.org/1999/xhtml"> 6 <head id="Head1" runat="server"> 7 <title></title> 8 <link href="/css/default.css" rel="stylesheet" type="text/css" /> 9 <link href="/css/jquery.ui.all.css" rel="stylesheet" type="text/css" /> 10 <script type="text/javascript" src="/js/jquery-1.9.1.js"></script> 11 <script type="text/javascript" src="/js/jquery.ui.core.js"></script> 12 <script type="text/javascript" src="/js/jquery.ui.widget.js"></script> 13 <script type="text/javascript" src="/js/jquery.ui.mouse.js"></script> 14 <script type="text/javascript" src="/js/jquery.ui.draggable.js"></script> 15 <script type="text/javascript" src="/js/jquery.ui.position.js"></script> 16 <script type="text/javascript" src="/js/jquery.ui.resizable.js"></script> 17 <script type="text/javascript" src="/js/jquery.ui.button.js"></script> 18 <script type="text/javascript" src="/js/jquery.ui.dialog.js"></script> 19 <script type="text/javascript" src="/js/jquery.ui.datepicker.js"></script> 20 <script type="text/javascript" src="/js/common.js?r=20140613"></script> 21 <script type="text/javascript" src="/js/jquery.validate.js"></script> 22 </head> 23 <body> 24 <form id="orderform" runat="server"> 25 <div class="container"> 26 <div class="title"> 27 <span>【事件航变】<label style="color: purple;"></label></span> 28 </div> 29 <div class="content"> 30 <div class="cPanel pbg"> 31 <div class="detailPanel"> 32 <table cellpadding="0" cellspacing="0" class="oderAdmin" width="80%"> 33 <tbody> 34 <tr> 35 <th> 36 航司： 37 </th> 38 <td> 39 <asp:TextBox ID="txtairname" runat="server" MaxLength="3"></asp:TextBox> 40 </td> 41 <th> 42 航班号： 43 </th> 44 <td> 45 <asp:TextBox ID="txtflightno" runat="server"></asp:TextBox> 46 </td> 47 </tr> 48 <tr> 49 <th> 50 出发： 51 </th> 52 <td> 53 <asp:TextBox ID="txtstartcity" runat="server" MaxLength="3"></asp:TextBox> 54 </td> 55 <th> 56 到达： 57 </th> 58 <td> 59 <asp:TextBox ID="txtreachcity" runat="server" MaxLength="3"></asp:TextBox> 60 </td> 61 </tr> 62 <tr> 63 <th> 64 航变原因： 65 </th> 66 <td> 67 <%-- <select id="ddlchangereason" name="ddlchangereason" runat="server"> 68 <option value="1">航班取消</option> 69 <option value="2">航班延误</option> 70 <option value="3">航班提前</option> 71 <option value="4">航班号变更</option> 72 <option value="5">舱位变更</option> 73 <option value="6">直飞变中转</option> 74 <option value="7">起降地变更</option> 75 <option value="9">中转变直飞</option> 76 <option value="10">航变回原订单时间</option> 77 <option value="8">未知</option> 78 </select>--%> 79 <asp:DropDownList ID="ddlchangereason" runat="server"> 80 <asp:ListItem Value="" Text=""></asp:ListItem> 81 <asp:ListItem Value="1" Text="航班取消"></asp:ListItem> 82 <asp:ListItem Value="2" Text="航班延误"></asp:ListItem> 83 <asp:ListItem Value="3" Text="航班提前"></asp:ListItem> 84 </asp:DropDownList> 85 </td> 86 <th> 87 88 </th> 89 <td> 90 91 </td> 92 </tr> 93 <tr> 94 <th> 95 开始日期： 96 </th> 97 <td> 98 <asp:TextBox ID="txtrangestartdate" runat="server" rel="datetime"></asp:TextBox> 99 </td> 100 <th> 101 结束日期： 102 </th> 103 <td> 104 <asp:TextBox ID="txtrangeenddate" runat="server" rel="datetime"></asp:TextBox> 105 </td> 106 </tr> 107 <tr> 108 <th> 109 事件内容： 110 </th> 111 <td> 112 <asp:TextBox ID="txtremark" runat="server" rel="datetime" Height="135px" TextMode="MultiLine" 113 Width="456px" MaxLength="2048"></asp:TextBox> 114 </td> 115 </tr> 116 <tr> 117 <td colspan="5"> 118 <asp:Button ID="btnsearch" runat="server" class="button button-primary" OnClick="btnsearch_Click" 119 Text="搜 索" /> 120 121 <asp:Button ID="btnsave" class="button button-primary" runat="server" Text="保 存" 122 OnClick="btnsave_Click" /> 123 </td> 124 </tr> 125 </tbody> 126 </table> 127 </div> 128 </div> 129 <div class="cPanel"> 130 <div class="detailPanel"> 131 <asp:GridView ID="oderListTbl" GridLines="None" runat="server" CellSpacing="0" BorderWidth="0" 132 CellPadding="0" class="oderListTbl" AutoGenerateColumns="False" OnDataBound="oderListTbl_DataBound" 133 OnRowDataBound="oderListTbl_RowDataBound"> 134 <Columns> 135 <asp:TemplateField HeaderText="航司"> 136 <ItemStyle /> 137 <ItemTemplate> 138 <%# Eval("airname")%> 139 </ItemTemplate> 140 </asp:TemplateField> 141 <asp:TemplateField HeaderText="出发"> 142 <ItemStyle /> 143 <ItemTemplate> 144 <%# Eval("starcity")%> 145 </ItemTemplate> 146 </asp:TemplateField> 147 <asp:TemplateField HeaderText="到达"> 148 <ItemStyle /> 149 <ItemTemplate> 150 <%# Eval("reachcity")%> 151 </ItemTemplate> 152 </asp:TemplateField> 153 <asp:TemplateField HeaderText="航班号"> 154 <ItemStyle Width="10%" /> 155 <ItemTemplate> 156 <%# Eval("flightno")%> 157 </ItemTemplate> 158 </asp:TemplateField> 159 <asp:TemplateField HeaderText="取消原因"> 160 <ItemStyle /> 161 <ItemTemplate> 162 <%# GetReasonDesc(Eval("changereason").ToString())%> 163 </ItemTemplate> 164 </asp:TemplateField> 165 <asp:TemplateField HeaderText="事件内容"> 166 <ItemStyle Width="25%" /> 167 <ItemTemplate> 168 <%--<%# SubStr(Eval("remark").ToString())%>--%> 169 <%# Eval("remark" )%> 170 </ItemTemplate> 171 </asp:TemplateField> 172 <asp:TemplateField HeaderText="备注"> 173 <ItemStyle Width="15%" /> 174 <ItemTemplate> 175 <%# Eval("msg")%> 176 </ItemTemplate> 177 </asp:TemplateField> 178 <asp:TemplateField HeaderText="创建人"> 179 <ItemStyle /> 180 <ItemTemplate> 181 <%# Eval("createuserid")%> 182 </ItemTemplate> 183 </asp:TemplateField> 184 <asp:TemplateField HeaderText="创建时间"> 185 <ItemStyle /> 186 <ItemTemplate> 187 <%# Eval("createtime")%> 188 </ItemTemplate> 189 </asp:TemplateField> 190 </Columns> 191 </asp:GridView> 192 <div class="pager"> 193 <webdiyer:AspNetPager ID="pager" CssClass="paginator" CurrentPageButtonClass="cpb" 194 runat="server" AlwaysShow="True" FirstPageText="首页" LastPageText="尾页" NextPageText="下一页" 195 PageSize="20" PrevPageText="上一页" ShowCustomInfoSection="Left" ShowInputBox="Never" 196 OnPageChanging="pager_PageChanging" CustomInfoTextAlign="Left" LayoutType="Table" 197 CustomInfoHTML="总条数：%RecordCount% 当前页数 %CurrentPageIndex% of %PageCount%"> 198 </webdiyer:AspNetPager> 199 </div> 200 </div> 201 </div> 202 </div> 203 <div class="clr"> 204 </div> 205 </div> 206 </form> 207 </body> 208 </html>
后台代码：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using web.code; 8 using System.Data; 9 using System.Text; 10 using webframework.model; 11 using webframework.bll; 12 using System.Data.SqlClient; 13 using System.Transactions; 14 15 namespace web.airchange 16 { 17 public partial class addairevent : BasePage //System.Web.UI.Page 18 { 19 protected void Page_Load(object sender, EventArgs e) 20 { 21 if (!Page.IsPostBack) 22 { 23 PageRender(); 24 } 25 } 26 27 protected void btnsave_Click(object sender, EventArgs e) 28 { 29 if (string.IsNullOrEmpty(ddlchangereason.SelectedValue)) 30 { 31 Alert("请选择航班原因"); 32 ddlchangereason.Focus(); 33 return; 34 } 35 if (string.IsNullOrEmpty(txtstartcity.Text.Trim()) && string.IsNullOrEmpty(txtreachcity.Text.Trim())) 36 { 37 Alert("出发，到达 必须填写其中一项"); 38 txtstartcity.Focus(); 39 return; 40 } 41 if (string.IsNullOrEmpty(txtrangestartdate.Text.Trim())) 42 { 43 Alert("请选择开始日期"); 44 txtrangestartdate.Focus(); 45 return; 46 } 47 if (string.IsNullOrEmpty(txtrangeenddate.Text.Trim())) 48 { 49 Alert("请选择结束日期"); 50 txtrangeenddate.Focus(); 51 return; 52 } 53 54 try 55 { 56 DateTime dtnow = DateTime.Now; 57 modelt_aireventmain model = new modelt_aireventmain(); 58 model.airname = txtairname.Text.Trim().ToUpper(); 59 model.changereason = Convert.ToInt32(ddlchangereason.SelectedValue); 60 model.createtime = dtnow; 61 model.createuserid = UserOnline.Current.UserName; 62 model.flightno = txtflightno.Text.Trim().ToUpper(); 63 model.starcity = txtstartcity.Text.Trim().ToUpper(); 64 model.reachcity = txtreachcity.Text.Trim().ToUpper(); 65 model.remark = txtremark.Text.Trim().ToUpper(); 66 model.rangestartdate = Convert.ToDateTime(txtrangestartdate.Text.Trim()); 67 model.rangeenddate = Convert.ToDateTime(txtrangeenddate.Text.Trim()); 68 model.msg = ""; 69 70 List<modelt_aireventlink> list = new List<modelt_aireventlink>(); 71 modelt_aireventlink m; 72 string ordernos = string.Empty; 73 string sql = "SELECT o.id,o.orderno,o.orderstate,o.shopname,o.orderfrom,j.id AS [journeyid],f.startcity,f.endcity,f.takeoffdate,f.carrier,f.flightno " + 74 "FROM t_order o INNER JOIN t_journey j ON o.id=j.orderid " + 75 "INNER JOIN t_flight f ON o.id=f.orderid AND j.id=f.journeyid " + 76 "WHERE takeoffdate>='" + txtrangestartdate.Text.Trim() + "' " + 77 "AND takeoffdate<'" + Convert.ToDateTime(txtrangeenddate.Text.Trim()).AddDays(1).ToString("yyyy-MM-dd") + "' "; 78 DataTable dt = code.SqlHelper.ExecuteDataTable(code.SqlHelper.ConnectionString, CommandType.Text, sql); 79 if (dt != null && dt.Rows.Count > 0) 80 { 81 foreach (DataRow row in dt.Rows) 82 { 83 84 if (((!string.IsNullOrEmpty(model.starcity) && model.starcity == row["startcity"].ToString().Trim()) 85 || string.IsNullOrEmpty(model.starcity)) 86 && ((!string.IsNullOrEmpty(model.reachcity) && model.reachcity == row["endcity"].ToString().Trim()) 87 || string.IsNullOrEmpty(model.reachcity)) 88 && ((!string.IsNullOrEmpty(model.airname) && model.airname == row["carrier"].ToString().Trim()) 89 || string.IsNullOrEmpty(model.airname)) 90 && ((!string.IsNullOrEmpty(model.flightno) && model.flightno.Contains(row["flightno"].ToString().Trim())) 91 || string.IsNullOrEmpty(model.flightno))) 92 { 93 if (!ordernos.Contains(row["orderno"].ToString())) 94 ordernos += row["orderno"].ToString() + ","; 95 m = new modelt_aireventlink(); 96 m.orderid = int.Parse(row["id"].ToString()); 97 m.orderno = row["orderno"].ToString(); 98 m.shopname = int.Parse(row["shopname"].ToString()); 99 m.journeyid = int.Parse(row["journeyid"].ToString()); 100 m.orderfrom = int.Parse(row["orderfrom"].ToString()); 101 m.noticetime = Convert.ToDateTime("1900-01-01"); 102 m.creattime = dtnow; 103 m.hbid = -1; 104 list.Add(m); 105 } 106 } 107 ordernos = ordernos.TrimEnd(','); 108 } 109 int hbid = -1; 110 bllaireventlink bllael = new bllaireventlink(); 111 using (TransactionScope transaction = new TransactionScope())//使用事务 112 { 113 using (SqlConnection conn = new SqlConnection(SqlHelper.ConnectionString)) 114 { 115 //model.msg = string.Format("匹配订单数量:{0},航班数量:{1},订单号：{2}", list.Select(k => k.orderno).Distinct().ToList().Count, list.Count, string.Join(",", list.Select(k => k.orderno).Distinct().ToList())); 116 model.msg = string.Format("匹配订单数量:{0},航班数量:{1}", list.Select(k => k.orderno).Distinct().ToList().Count, list.Count); 117 hbid = new bllaireventmain().Add2(model, conn); 118 foreach (var l in list) 119 { 120 l.hbid = hbid; 121 bllael.Add1(l, conn); 122 } 123 } 124 transaction.Complete();//就这句就可以了。 125 Alert("添加成功"); 126 } 127 PageRender(); 128 129 130 } 131 catch (Exception ex) 132 { 133 Alert("出错：" + ex.Message); 134 } 135 } 136 private void PageRender() 137 { 138 StringBuilder sb = new StringBuilder(""); 139 140 if (!string.IsNullOrEmpty(ddlchangereason.SelectedValue)) 141 { 142 sb.Append(" and changereason=" + ddlchangereason.SelectedValue); 143 } 144 145 if (!string.IsNullOrEmpty(txtstartcity.Text.Trim())) 146 { 147 sb.Append(" and starcity='" + txtstartcity.Text.Trim().ToUpper() + "'"); 148 } 149 if (!string.IsNullOrEmpty(txtreachcity.Text.Trim())) 150 { 151 sb.Append(" and reachcity='" + txtreachcity.Text.Trim().ToUpper() + "'"); 152 } 153 if (!string.IsNullOrEmpty(txtairname.Text.Trim())) 154 { 155 sb.Append(" and airname='" + txtairname.Text.Trim().ToUpper() + "'"); 156 } 157 if (!string.IsNullOrEmpty(txtflightno.Text.Trim())) 158 { 159 sb.Append(" and flightno='" + txtflightno.Text.Trim().ToUpper() + "'"); 160 } 161 if (!string.IsNullOrEmpty(txtrangestartdate.Text.Trim())) 162 { 163 sb.Append(" and rangestartdate>='" + txtrangestartdate.Text.Trim().ToUpper() + "'"); 164 } 165 if (!string.IsNullOrEmpty(txtrangeenddate.Text.Trim())) 166 { 167 sb.Append(" and rangeenddate<'" + Convert.ToDateTime(txtrangeenddate.Text.Trim().ToUpper()).AddDays(1).ToString("yyyy-MM-dd") + "'"); 168 } 169 170 171 172 string sql = code.Q.GetTableByPager("t_aireventmain", "id,rangestartdate,rangeenddate,flightno,airname,remark,starcity,reachcity,changereason,createtime,createuserid,msg", "id desc", sb.ToString(), pager.CurrentPageIndex, base.PageSize); 173 sql += ";select count(1) from t_aireventmain where 1=1" + sb.ToString(); 174 logclass.Info(sql); 175 try 176 { 177 DataSet ds = code.SqlHelper.ExecuteDataset(code.SqlHelper.ConnectionString, CommandType.Text, sql); 178 oderListTbl.DataSource = ds.Tables[0]; 179 oderListTbl.DataBind(); 180 181 pager.PageSize = base.PageSize; 182 pager.RecordCount = int.Parse(ds.Tables[1].Rows[0][0].ToString()); 183 } 184 catch (Exception ex) 185 { 186 logclass.Debug("事件航班查询报错:" + ex.TargetSite + "===" + ex.Message); 187 } 188 } 189 190 protected void btnsearch_Click(object sender, EventArgs e) 191 { 192 pager.CurrentPageIndex = 1; 193 PageRender(); 194 } 195 196 protected void pager_PageChanging(object src, Wuqi.Webdiyer.PageChangingEventArgs e) 197 { 198 pager.CurrentPageIndex = e.NewPageIndex; 199 PageRender(); 200 } 201 202 protected string GetReasonDesc(string reasoncode) 203 { 204 string result = ""; 205 switch (reasoncode) 206 { 207 case "1": 208 result = "航班取消"; 209 break; 210 case "2": 211 result = "航班延误"; 212 break; 213 case "3": 214 result = "航班提前"; 215 break; 216 default: 217 break; 218 } 219 return result; 220 } 221 222 223 protected void oderListTbl_DataBound(object sender, EventArgs e) 224 { 225 //数据太长 自动换行 226 oderListTbl.Attributes.Add("style", "word-break:break-all;word-wrap:break-word"); 227 } 228 229 protected void oderListTbl_RowDataBound(object sender, GridViewRowEventArgs e) 230 { 231 if (e.Row.RowType == DataControlRowType.DataRow) 232 { 233 for (int i = 0; i < e.Row.Cells.Count; i++)//获取总列数 234 { 235 ////鼠标悬浮 显示列标题 236 //e.Row.Cells[i].Attributes.Add("title", oderListTbl.HeaderRow.Cells[i].Text.ToString().Trim()); 237 //e.Row.Cells[i].ToolTip = oderListTbl.HeaderRow.Cells[i].Text.ToString().Trim(); 238 239 //鼠标悬浮 显示列内容 240 if (oderListTbl.HeaderRow.Cells[i].Text.ToString().Trim() == "事件内容") 241 { 242 e.Row.Cells[i].ToolTip = (((DataRowView)e.Row.DataItem)["remark"]).ToString(); 243 } 244 } 245 } 246 247 } 248 249 protected string SubStr(string str) 250 { 251 return str.Length <= 10 ? str : str.Substring(0, 10) + "...."; 252 } 253 } 254 }
其他：设置div的title值，提示信息
1 "<div style='overflow: hidden; white-space: nowrap; text-overflow: clip;90%;' title='" + data.startcitytext + "'>" + data.startcitytext + "</div>";