1. VS快捷鍵 shift + alt 可以選中某一列,可以對某一列批量操作
2. 開線程 一般程式處理太多事情,會出現假死狀态,此時要開多線程完成其他需要完成的task
Thread _thread = new Thread(t => calc()) { IsBackground = false,Priority = ThreadPriority.BelowNormal};
_thread.Start();
3. 前台form送出表單,當字段中含有html代碼時,背景的string類型變量接收不到,表單送出背景失敗。對于這種問題,采用encodeURIComponent封裝加密,在背景使用Server.UrlDecode解密即可完成前背景互動;
4.前台文本框中含有HTML代碼,submit送出後,c#背景string類型的字段映射接不到内容且報錯,需要在方法上打上标簽特性[ValidateInput(false)],就可以接收到啦
5.支付寶接口文檔和demo https://doc.open.alipay.com/docs/doc.htm?treeId=62&articleId=104746&docType=1 微信接口和demo https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=6_4
6.NPOI 導入Excel
string road = System.AppDomain.CurrentDomain.BaseDirectory + "IndexCode.xls";
using (FileStream file = new FileStream(road, FileMode.Open, FileAccess.Read))
{
hssfworkbook = new HSSFWorkbook(file);
}
NPOI.SS.UserModel.ISheet importSheet = hssfworkbook.GetSheetAt(0);
System.Collections.IEnumerator importRows = importSheet.GetRowEnumerator();
int i = 0;
while (importRows.MoveNext())
{
if (i > 0)
{
HSSFRow importRow = (HSSFRow)importRows.Current;
string indexCode = importRow.GetCell(0) == null ? string.Empty : importRow.GetCell(0).ToString();
if (string.IsNullOrEmpty(indexCode))
{
break;
}
try
{
DataIndex idx = DataCenterService.GetDataIndexById(indexCode);
tmpDataIndex.Add(idx);
}
catch (Exception ex)
{
LogM.WriteError("導入名額第" + i.ToString() + "行查詢資訊報錯:" + ex.Message.ToString());
}
}
i++;
}
ExportIndexHelper(tmpDataIndex, ref sheet, ref Export_num, book);
7. css樣式控制td自動換行展示資料
white-space:normal; overflow: hidden; TEXT-OVERFLOW:ellipsis; word-break:break-all; word-wrap:break-word;
8.select選擇框的操作 var selectIndex = $("#DataBase").prop('selectedIndex'),
categoryid = $("#DataBase").find('option').eq(selectIndex).attr("value");
var obj = document.getElementById("webSiteId"); //定位id
var index = obj.selectedIndex; // 選中索引
var text = obj.options[index].text; // 選中文本
var value = obj.options[index].value; // 選中值
9. var chart = echarts.init(document.getElementById("chart1"));
chart.setOption(option);
window.addEventListener('resize', function () {
chart.resize();
});
10.自動換行,IE下右側空格處理 text-align: justify; text-justify: inter-ideograph;