如何以编程方式格式化excel表单元格？

问题描述

我们有一个asp.net c＃程序，从Excel文件中读取一个表格，并将其写入新的工作表（如果数据来自Sql Server表，也添加一列）。

We have an asp.net c# program that reads a sheet from an Excel file and writes it out in a new sheet (also adding one column if data come from a Sql Server table).

问题：在新表中，数据没有我们想要的格式。例如，我们希望日期没有时间和左对齐，但它们的格式与时间和右对齐等。

Issue: in the new sheet the data is not formatted as we want. For example we want date without time and left-aligned, but they're formatted with the time and right-aligned, etc.

我们如何格式化Excel单元格？

How can we format an Excel cell?

这是我们的代码：

newSheet = (Worksheet)sheets.Add(sheets[1], Type.Missing, Type.Missing, Type.Missing);
newSheet.Name = worksheetName;

for (int i = 0; i < headerList.Count; i++)
{
    newSheet.Cells[1, i + 1] = headerList[i];
    Range headerRange = newSheet.Cells[1, headerList.Count]; ;
    headerRange.Font.Bold = true;
}
for (int i = 0; i < listDrugOrder.Count; i++)
{
    DrugOrder drugorder = listDrugOrder[i];

    newSheet.Cells[i + 2, 1] = drugorder.RES_ID;
    newSheet.Cells[i + 2, 2] = drugorder.STATION;
    newSheet.Cells[i + 2, 3] = drugorder.DATE;
    newSheet.Cells[i + 2, 4] = drugorder.DRUG;
    newSheet.Cells[i + 2, 5] = drugorder.NDC;
    newSheet.Cells[i + 2, 6] = drugorder.UNITS_PER_DOSE;
    newSheet.Cells[i + 2, 7] = drugorder.FORM;
    newSheet.Cells[i + 2, 8] = drugorder.ROUTE;

    newSheet.Cells[i + 2, 10] = drugorder.FREQUENCY;
    newSheet.Cells[i + 2, 11] = drugorder.Heading_LAKE_ORDERS;
    newSheet.Cells[i + 2, 12] = drugorder.HOA;
    newSheet.Cells[i + 2, 13] = drugorder.INSTRUCTIONS;
    newSheet.Cells[i + 2, 14] = drugorder.DIAGNOSIS;
    newSheet.Cells[i + 2, 15] = drugorder.DIAGNOSIS_CODES;
    newSheet.Cells[i + 2, 16] = drugorder.MAR;
    newSheet.Cells[i + 2, 17] = drugorder.TAR;
    newSheet.Cells[i + 2, 18] = drugorder.DRUG_ALERT;
}

workbook.Save();
workbook.Close(null, null, null);
excelApp.Quit();

推荐答案

只需设置。

设置NumberFormat以控制单元格数字格式化，即：

Set NumberFormat to control the cell number formatting, i.e.:

newSheet.Cells[i, j].NumberFormat = "m/d/yyyy"

设置Horizo​​ntalAlignment以控制对齐方式，即：

Set HorizontalAlignment to control the alignment, i.e.:

newSheet.Cells[i, j].HorizontalAlignment = ExcelAlignment.xlLeft; //or Excel.XlHAlign.xlHAlignLeft

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