<Columns></Columns>中间的是列集合

本文详细解析了 ASP.NET 中 GridView 控件的使用方法,包括 BoundField 的绑定字段配置、CommandField 的操作按钮配置等内容,并提供了具体代码示例。
<Columns> <asp:BoundField DataField="身份证号码" HeaderText="用户ID" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" />
<asp:BoundField DataField="员工性别" HeaderText="性别" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
//这些代码是什么意思?????BoundField,datafield,hadertext,commandfield,showselectbutton?? </Columns>
 Columns:在<Columns></Columns>中间的是列集合 BoundField :指定该列是绑定字段列,就是只能显示数据,不可操作数据。 DataField:该列要绑定的数据库字段 HeaderText:该列的名称,就是像表格的表头一样。 commandfield:说明该列是操作列,比如你这个就是显示选择-编辑-删除的按钮命令 showselectbutton:是不是应该显示选择按钮,设置为true,代表显示。

转载于:https://www.cnblogs.com/zhhq/archive/2013/05/28/3103402.html

private void ChartDt() { GetPreviousDate getPreviousDate = new GetPreviousDate(); List<string> PreviousFridayList = new List<string>(); List<string> FriNextThursdayList = new List<string>(); List<string> MonthStartList = new List<string>(); List<string> MonthEndList = new List<string>(); // 近三月三周始末日期 for (int i = 1; i <= 3; i++) { PreviousFridayList.Add(getPreviousDate.GetPreviousFriday(i).ToString("yyyyMMdd")); FriNextThursdayList.Add(getPreviousDate.GetFriNextThursday(i).ToString("yyyyMMdd")); MonthStartList.Add(getPreviousDate.GetMonthStart(i).ToString("yyyyMMdd")); MonthEndList.Add(getPreviousDate.GetMonthStart(i - 1).ToString("yyyyMMdd"));// 次月月初 } // FriNextThursdayList 处理日期 +1天 List<string> AddFriNextThursdayList = FriNextThursdayList.Select(s => { DateTime date; if (DateTime.TryParseExact(s, "yyyyMMdd", CultureInfo.InvariantCulture, DateTimeStyles.None, out date)) { return date.AddDays(1).ToString("yyyyMMdd"); // 加1天并格式化 } else { return s; // 无效日期时返回原字符串(可选:可抛出异常或返回null) } }).ToList(); // 近七天日期 IEnumerable<DateTime> last7Days = getPreviousDate.GetLast7Days(baseDate); List<string> PreviousDayList = new List<string>(); foreach (var day in last7Days) { PreviousDayList.Add(day.ToString("yyyyMMdd")); } // 近七天日期 IEnumerable<DateTime> last7Days_ = getPreviousDate.GetLast7Days_(baseDate); List<string> PreviousDayList_ = new List<string>(); foreach (var day in last7Days_) { PreviousDayList_.Add(day.ToString("yyyyMMdd")); } #region // 周 dt List<string> WeekSqlList = new List<string>(); List<DataTable> WeekDetailsDtList = new List<DataTable>(); List<DataTable> WeekRatioDtList = new List<DataTable>(); for (int i = 0; i < 3; i++) { string sql = string.Format(@" SELECT lotid, stage, equipmentname, trackoutqty, trackintime, trackouttime, SubStr(PROCESS,2,5) tech FROM SDB_TB_WIP_TITO_HIST WHERE 1=1 AND lottype NOT IN ('C','D','V','Z','Y','L','T','X') AND equipmentname = '{0}' AND trackintime >= '{1} 073000000' AND trackintime <= '{2} 073000000' ORDER BY trackintime ", EqpSelection.Text, PreviousFridayList[i], AddFriNextThursdayList[i]); WeekSqlList.Add(sql); DataTable dt = ws.GetDataTable(Mainfrom.dataSoure, WeekSqlList[i]); WeekDetailsDtList.Add(dt); WeekRatioDtList.Add(EachDtProcess(WeekDetailsDtList[i])); } // 天 dt List<string> DaySqlList = new List<string>(); List<DataTable> DayDetailsDtList = new List<DataTable>(); List<DataTable> DayRatioDtList = new List<DataTable>(); for (int i = 0; i < 7; i++) { string sql = string.Format(@" SELECT lotid, stage, equipmentname, trackoutqty, trackintime, trackouttime, SubStr(PROCESS,2,5) tech FROM SDB_TB_WIP_TITO_HIST WHERE 1=1 AND lottype NOT IN ('C','D','V','Z','Y','L','T','X') AND equipmentname = '{0}' AND trackintime >= '{1} 073000000' AND trackintime <= '{2} 073000000' ORDER BY trackintime ", EqpSelection.Text, PreviousDayList[i], PreviousDayList_[i]); DaySqlList.Add(sql); DataTable dt = ws.GetDataTable(Mainfrom.dataSoure, DaySqlList[i]); DayDetailsDtList.Add(dt); DayRatioDtList.Add(EachDtProcess(DayDetailsDtList[i])); } // 月 dt List<string> MonthSqlList = new List<string>(); List<DataTable> MonthDetailsDtList = new List<DataTable>(); List<DataTable> MonthRatioDtList = new List<DataTable>(); for (int i = 0; i < 3; i++) { string sql = string.Format(@" SELECT lotid, stage, equipmentname, trackoutqty, trackintime, trackouttime, SubStr(PROCESS,2,5) tech FROM SDB_TB_WIP_TITO_HIST WHERE 1=1 AND lottype NOT IN ('C','D','V','Z','Y','L','T','X') AND equipmentname = '{0}' AND trackintime >= '{1} 073000000' AND trackintime <= '{2} 073000000' ORDER BY trackintime ", EqpSelection.Text, MonthStartList[i], MonthEndList[i]); MonthSqlList.Add(sql); DataTable dt = ws.GetDataTable(Mainfrom.dataSoure, MonthSqlList[i]); MonthDetailsDtList.Add(dt); MonthRatioDtList.Add(EachDtProcess(MonthDetailsDtList[i])); } //List<List<int>> CountList = new List<List<int>>(); //List<int> tempList = new List<int>(); //for (int i = 0; i < MdtRatioList.Count; i++ ) //{ // tempList.Clear(); // foreach (DataRow row in MdtRatioList[i].Rows) // { // int num = row.Field<int>("Count"); // tempList.Add(num); // } // CountList.Add(tempList); //} // // 单机台周平均 // // 遍历 周 Ratio dt Count List<List<object>> WeekCountList = new List<List<object>>(); foreach (DataTable dt in WeekRatioDtList) { // 验证存在性 if (!dt.Columns.Contains("Count")) continue; // 创建当前表的存储表 List<object> currentTableData = new List<object>(); // 遍历行并提取数据 foreach (DataRow row in dt.Rows) { object value = row["Count"]; currentTableData.Add(value == DBNull.Value ? null : value); } WeekCountList.Add(currentTableData); } // 合并123批 List<List<int>> WeekMergeList = new List<List<int>>(); foreach (List<object> subList in WeekCountList) { List<int> processed = new List<int>(); // 计算前三个有效数字的和(自动跳过null值) int sum = subList.Take(3) .Where(x => x != null) .Sum(x => Convert.ToInt32(x)); processed.Add(sum); // 添加后续元素(自动转换并跳过null) processed.AddRange(subList.Skip(3) .Where(x => x != null) .Select(x => Convert.ToInt32(x))); WeekMergeList.Add(processed); } List<List<double>> WeekRatioList = new List<List<double>>(); foreach (List<int> subList in WeekMergeList) { // 提取合格数和不合格数 int qualified = subList[0]; int unqualified = subList[1]; // 计算总数(带防零处理) int total = qualified + unqualified; if (total == 0) { WeekRatioList.Add(new List<double> { 0.0, 0.0 }); continue; } // 计算比率(保留两位小数) double qualifiedRate = Math.Round(qualified * 1.00 / total, 2); double unqualifiedRate = Math.Round(unqualified * 1.00 / total, 2); // 比率平衡处理(确保总和为100%) if (qualifiedRate + unqualifiedRate != 1.00) { qualifiedRate = 1.00 - unqualifiedRate; } WeekRatioList.Add(new List<double> { qualifiedRate, unqualifiedRate }); } #endregion // 今天的 ISO周 string TODAY = CustomWeekFormatter.GetCustomWeek(baseDate); // 前周五的 ISO周 List<string> preFriWeek = new List<string>(); foreach (string weekdate in PreviousFridayList) { preFriWeek.Add(CustomWeekFormatter.ConvertYyyyMmDdToWeek(weekdate)); } // 前周五的下周四 ISO周 List<string> preNextThuWeek = new List<string>(); foreach (string weekdate in FriNextThursdayList) { preNextThuWeek.Add(CustomWeekFormatter.ConvertYyyyMmDdToWeek(weekdate)); } // 合成新 DT表 DataTable WeekRatioOverviewTable = new DataTable("QualityStats"); WeekRatioOverviewTable.Columns.Add("Date", typeof(string)); WeekRatioOverviewTable.Columns.Add("Qualified", typeof(int)); WeekRatioOverviewTable.Columns.Add("Unqualified", typeof(int)); WeekRatioOverviewTable.Columns.Add("PassRate", typeof(double)); WeekRatioOverviewTable.Columns.Add("FailureRate", typeof(double)); // 检查表长度是否一致 if (preFriWeek.Count != WeekMergeList.Count || WeekMergeList.Count != WeekRatioList.Count) { throw new ArgumentException("所有表长度必须相同"); } // 合并数据到DataTable for (int i = 0; i < preFriWeek.Count; i++) { DataRow newRow = WeekRatioOverviewTable.NewRow(); newRow["Date"] = preFriWeek[i]; newRow["Qualified"] = WeekMergeList[i][0]; // 合格数 newRow["Unqualified"] = WeekMergeList[i][1]; // 不合格数 newRow["PassRate"] = WeekRatioList[i][0]; // 合格率 newRow["FailureRate"] = WeekRatioList[i][1]; // 不合格率 WeekRatioOverviewTable.Rows.Add(newRow); } //// 周绑定数据 //chartControl2.DataSource = WeekRatioOverviewTable; //chartControl2.Series[0].ArgumentDataMember = "Date"; //chartControl2.Series[0].ValueDataMembers[0] = "Qualified"; //chartControl2.Series[1].ArgumentDataMember = "Date"; //chartControl2.Series[1].ValueDataMembers[0] = "UnQualified"; //chartControl2.Series[2].ArgumentDataMember = "Date"; //chartControl2.Series[2].ValueDataMembers[0] = "PassRate"; //chartControl2.Series[3].ArgumentDataMember = "Date"; //chartControl2.Series[3].ValueDataMembers[0] = "FailureRate"; // // 单机台月平均 // // 遍历 周 Ratio dt Count List<List<object>> MonthCountList = new List<List<object>>(); foreach (DataTable dt in MonthRatioDtList) { // 验证存在性 if (!dt.Columns.Contains("Count")) continue; // 创建当前表的存储表 List<object> currentTableData = new List<object>(); // 遍历行并提取数据 foreach (DataRow row in dt.Rows) { object value = row["Count"]; currentTableData.Add(value == DBNull.Value ? null : value); } MonthCountList.Add(currentTableData); } // 合并123批 List<List<int>> MonthMergeList = new List<List<int>>(); foreach (List<object> subList in MonthCountList) { List<int> processed = new List<int>(); // 计算前三个有效数字的和(自动跳过null值) int sum = subList.Take(3) .Where(x => x != null) .Sum(x => Convert.ToInt32(x)); processed.Add(sum); // 添加后续元素(自动转换并跳过null) processed.AddRange(subList.Skip(3) .Where(x => x != null) .Select(x => Convert.ToInt32(x))); MonthMergeList.Add(processed); } List<List<double>> MonthRatioList = new List<List<double>>(); foreach (List<int> subList in MonthMergeList) { // 提取合格数和不合格数 int qualified = subList[0]; int unqualified = subList[1]; // 计算总数(带防零处理) int total = qualified + unqualified; if (total == 0) { MonthRatioList.Add(new List<double> { 0.0, 0.0 }); continue; } // 计算比率(保留两位小数) double qualifiedRate = Math.Round(qualified * 1.00 / total, 2); double unqualifiedRate = Math.Round(unqualified * 1.00 / total, 2); // 比率平衡处理(确保总和为100%) if (qualifiedRate + unqualifiedRate != 1.00) { qualifiedRate = 1.00 - unqualifiedRate; } MonthRatioList.Add(new List<double> { qualifiedRate, unqualifiedRate }); } // 截取操作:从索引2开始取4位(yyMM) List<string> preMonth = MonthStartList .Select(s => s.Substring(2, 4)) .ToList(); // 合成新 DT表 DataTable MonthRatioOverviewTable = new DataTable("QualityStats"); MonthRatioOverviewTable.Columns.Add("Date", typeof(string)); MonthRatioOverviewTable.Columns.Add("Qualified", typeof(int)); MonthRatioOverviewTable.Columns.Add("Unqualified", typeof(int)); MonthRatioOverviewTable.Columns.Add("PassRate", typeof(double)); MonthRatioOverviewTable.Columns.Add("FailureRate", typeof(double)); // 检查表长度是否一致 if (preMonth.Count != MonthMergeList.Count || MonthMergeList.Count != MonthRatioList.Count) { throw new ArgumentException("所有表长度必须相同"); } // 合并数据到DataTable for (int i = 0; i < preMonth.Count; i++) { DataRow newRow = MonthRatioOverviewTable.NewRow(); newRow["Date"] = preMonth[i]; newRow["Qualified"] = MonthMergeList[i][0]; // 合格数 newRow["Unqualified"] = MonthMergeList[i][1]; // 不合格数 newRow["PassRate"] = MonthRatioList[i][0]; // 合格率 newRow["FailureRate"] = MonthRatioList[i][1]; // 不合格率 MonthRatioOverviewTable.Rows.Add(newRow); } // // // // 单机台天平均 // // 遍历 周 Ratio dt Count List<List<object>> DayCountList = new List<List<object>>(); foreach (DataTable dt in DayRatioDtList) { // 验证存在性 if (!dt.Columns.Contains("Count")) continue; // 创建当前表的存储表 List<object> currentTableData = new List<object>(); // 遍历行并提取数据 foreach (DataRow row in dt.Rows) { object value = row["Count"]; currentTableData.Add(value == DBNull.Value ? null : value); } DayCountList.Add(currentTableData); } // 合并123批 List<List<int>> DayMergeList = new List<List<int>>(); foreach (List<object> subList in DayCountList) { List<int> processed = new List<int>(); // 计算前三个有效数字的和(自动跳过null值) int sum = subList.Take(3) .Where(x => x != null) .Sum(x => Convert.ToInt32(x)); processed.Add(sum); // 添加后续元素(自动转换并跳过null) processed.AddRange(subList.Skip(3) .Where(x => x != null) .Select(x => Convert.ToInt32(x))); DayMergeList.Add(processed); } List<List<double>> DayRatioList = new List<List<double>>(); foreach (List<int> subList in DayMergeList) { // 提取合格数和不合格数 int qualified = subList[0]; int unqualified = subList[1]; // 计算总数(带防零处理) int total = qualified + unqualified; if (total == 0) { DayRatioList.Add(new List<double> { 0.0, 0.0 }); continue; } // 计算比率(保留两位小数) double qualifiedRate = Math.Round(qualified * 1.00 / total, 2); double unqualifiedRate = Math.Round(unqualified * 1.00 / total, 2); // 比率平衡处理(确保总和为100%) if (qualifiedRate + unqualifiedRate != 1.00) { qualifiedRate = 1.00 - unqualifiedRate; } DayRatioList.Add(new List<double> { qualifiedRate, unqualifiedRate }); } // 截取操作:从索引2开始取4位(yyMM) List<string> preDay = PreviousDayList; //.Select(s => s.Substring(2, 4)) //.ToList(); // 合成新 DT表 DataTable DayRatioOverviewTable = new DataTable("QualityStats"); DayRatioOverviewTable.Columns.Add("Date", typeof(string)); DayRatioOverviewTable.Columns.Add("Qualified", typeof(int)); DayRatioOverviewTable.Columns.Add("Unqualified", typeof(int)); DayRatioOverviewTable.Columns.Add("PassRate", typeof(double)); DayRatioOverviewTable.Columns.Add("FailureRate", typeof(double)); // 检查表长度是否一致 if (preDay.Count != DayMergeList.Count || DayMergeList.Count != DayRatioList.Count) { throw new ArgumentException("所有表长度必须相同"); } // 合并数据到DataTable for (int i = 0; i < preDay.Count; i++) { DataRow newRow = DayRatioOverviewTable.NewRow(); newRow["Date"] = preDay[i]; newRow["Qualified"] = DayMergeList[i][0]; // 合格数 newRow["Unqualified"] = DayMergeList[i][1]; // 不合格数 newRow["PassRate"] = DayRatioList[i][0]; // 合格率 newRow["FailureRate"] = DayRatioList[i][1]; // 不合格率 DayRatioOverviewTable.Rows.Add(newRow); } // 合并 DataTable 并添加分隔符 DataTable mergedTable = MergeDataTablesWithSeparator(MonthRatioOverviewTable, WeekRatioOverviewTable, DayRatioOverviewTable); // 绑定数据 chartControl2.DataSource = mergedTable; chartControl2.Series[0].ArgumentDataMember = "Date"; chartControl2.Series[0].ValueDataMembers[0] = "Qualified"; chartControl2.Series[1].ArgumentDataMember = "Date"; chartControl2.Series[1].ValueDataMembers[0] = "UnQualified"; chartControl2.Series[2].ArgumentDataMember = "Date"; chartControl2.Series[2].ValueDataMembers[0] = "PassRate"; chartControl2.Series[3].ArgumentDataMember = "Date"; chartControl2.Series[3].ValueDataMembers[0] = "FailureRate"; } 优化这部分代码,减少行数提升可读性,并提高效率
07-17
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