使用开放XML，如何在Excel工作表中格式化标题列粗体？ [英] Using open XML, how do I format header column bold in excel sheet?

问题描述

借助互联网中的大量参考，我可以创建一种方法，将数据集导出为ex​​cel文件，为数据集中的每个表创建多个选项卡。



这是我的代码：



public static void ExportDataSet（DataSet dataset，string excelFilePath）

{

尝试

{

使用（var workbook = SpreadsheetDocument.Create（excelFilePath，DocumentFormat.OpenXml.SpreadsheetDocumentType.Workbook））

{

var workbookPart = workbook.AddWorkbookPart（）;



workbook.WorkbookPart.Workbook = new DocumentFormat.OpenXml.Spreadsheet.Workbook（）;



workbook.WorkbookPart.Workbook.Sheets = new DocumentFormat.OpenXml.Spreadsheet.Sheets（）;



foreach（数据集中的System.Data.DataTable表。表）

{

var sheetPart = workbook.WorkbookPart.AddNewPart< worksheetpart>（）;

var sheetData = new DocumentFormat.OpenXml.Spreadsheet .SheetData（）;

sheetPart.Worksheet = new DocumentFormat.OpenXml.Spreadsheet.Worksheet（sheetData）;



DocumentFormat.OpenXml.Spreadsheet .Sheets sheet = workbook.WorkbookPart.Workbook.GetFirstChild< documentformat.openxml.spreadsheet.sheets>（）;

string relationshipId = workbook.WorkbookPart.GetIdOfPart（sheetPart）;



uint sheetId = 1;

if（sheets.Elements< documentformat.openxml.spreadsheet.sheet>（）。Count（）> 0）

{

sheetId =

sheets.Elements< documentformat.openxml.spreadsheet.sheet>（）。选择（s => s.SheetId.Value）.Max（）+ 1;

}



DocumentFormat.OpenXml.Spreadsheet.Sheet sheet = new DocumentFormat。 OpenXml.Spreadsheet.Sheet（）{Id = relationshipId，SheetId = sheetId，Name = table.TableName};

sheets.Append（sheet）;



DocumentFormat.OpenXml.Spreadsheet.Row headerRow = new DocumentFormat.OpenXml.Spreadsheet.Row（）;



List< string> columns = new List< string>（）;





if（table.Rows.Count == 0）

{

DocumentFormat.OpenXml.Spreadsheet.Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell（）;

cell.DataType = DocumentFormat.OpenXml.Spreadsheet。 CellValues.String;

cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue（**今天没什么**）;

headerRow.AppendChild（cell） ;

sheetData.AppendChild（headerRow）;

}



其他

{

foreach（table.Columns中的System.Data.DataColumn列）

{

columns.Add（column.ColumnName）;



DocumentFormat.OpenXml.Spreadsheet.Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell（）;

cell.DataType = DocumentFormat.OpenXml。 Spreadsheet.CellValues.String;

cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue（column.ColumnName）;

headerRow.AppendChild（cell）;

}

sheetData.AppendChild（headerRow）;





foreach（系统。 Table.Rows中的Data.DataRow dsrow

{

DocumentFormat.OpenXml.Spreadsheet.Row newRow = new DocumentFormat.OpenXml.Spreadsheet.Row（）;





foreach（列中的字符串列表）

{

DocumentFormat.OpenXml.Spreadsheet。 Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell（）;

cell.DataType = DocumentFormat.OpenXml.Spreadsheet.CellValues.String;



cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue（dsrow [col] .ToString（））; //

newRow.AppendChild（cell）;

}

sheetData.AppendChild（newRow）;

}

}

}

}



}



catch（例外）

{



throw;

}

}

现在我需要将标题设置为粗体。我怎么做？



我尝试过的事情：



我发现了这个方法，它抛出了null引用异常。在查看上面的代码时，我需要在此方法中进行哪些更改。如果有人能帮助我，我将不胜感激。

With help of lot of reference in internet i am able to create an method that export data set to excel file, creating multiple tab for each table in Dataset.

this is my code:

public static void ExportDataSet(DataSet dataset, string excelFilePath)
{
try
{
using(var workbook = SpreadsheetDocument.Create(excelFilePath, DocumentFormat.OpenXml.SpreadsheetDocumentType.Workbook))
{
var workbookPart = workbook.AddWorkbookPart();

workbook.WorkbookPart.Workbook = new DocumentFormat.OpenXml.Spreadsheet.Workbook();

workbook.WorkbookPart.Workbook.Sheets = new DocumentFormat.OpenXml.Spreadsheet.Sheets();

foreach(System.Data.DataTable table in dataset.Tables)
{
var sheetPart = workbook.WorkbookPart.AddNewPart<worksheetpart>();
var sheetData = new DocumentFormat.OpenXml.Spreadsheet.SheetData();
sheetPart.Worksheet = new DocumentFormat.OpenXml.Spreadsheet.Worksheet(sheetData);

DocumentFormat.OpenXml.Spreadsheet.Sheets sheets = workbook.WorkbookPart.Workbook.GetFirstChild<documentformat.openxml.spreadsheet.sheets>();
string relationshipId = workbook.WorkbookPart.GetIdOfPart(sheetPart);

uint sheetId = 1;
if(sheets.Elements<documentformat.openxml.spreadsheet.sheet>().Count() > 0)
{
sheetId =
sheets.Elements<documentformat.openxml.spreadsheet.sheet>().Select(s => s.SheetId.Value).Max() + 1;
}

DocumentFormat.OpenXml.Spreadsheet.Sheet sheet = new DocumentFormat.OpenXml.Spreadsheet.Sheet() { Id = relationshipId, SheetId = sheetId, Name = table.TableName };
sheets.Append(sheet);

DocumentFormat.OpenXml.Spreadsheet.Row headerRow = new DocumentFormat.OpenXml.Spreadsheet.Row();

List<string> columns = new List<string>();


if(table.Rows.Count == 0)
{
DocumentFormat.OpenXml.Spreadsheet.Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell();
cell.DataType = DocumentFormat.OpenXml.Spreadsheet.CellValues.String;
cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue("** Nothing for today **");
headerRow.AppendChild(cell);
sheetData.AppendChild(headerRow);
}

else
{
foreach(System.Data.DataColumn column in table.Columns)
{
columns.Add(column.ColumnName);

DocumentFormat.OpenXml.Spreadsheet.Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell();
cell.DataType = DocumentFormat.OpenXml.Spreadsheet.CellValues.String;
cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue(column.ColumnName);
headerRow.AppendChild(cell);
}
sheetData.AppendChild(headerRow);


foreach(System.Data.DataRow dsrow in table.Rows)
{
DocumentFormat.OpenXml.Spreadsheet.Row newRow = new DocumentFormat.OpenXml.Spreadsheet.Row();


foreach(String col in columns)
{
DocumentFormat.OpenXml.Spreadsheet.Cell cell = new DocumentFormat.OpenXml.Spreadsheet.Cell();
cell.DataType = DocumentFormat.OpenXml.Spreadsheet.CellValues.String;

cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue(dsrow[col].ToString()); //
newRow.AppendChild(cell);
}
sheetData.AppendChild(newRow);
}
}
}
}

}

catch(Exception)
{

throw;
}
}
Now i need to set header to bold. How do i do it?

What I have tried:

I found out this method, which throws null reference exception. What do i need to make change in this method looking at my above code. I would be grateful if anyone could help me out.

public static void SetSpreadsheetHeaderBold(string excelFilePath)
       {

           using(SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(excelFilePath, true))
           {

               WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;

               WorksheetPart worksheetPart = workbookPart.WorksheetParts.First();
               SheetData sheetData = worksheetPart.Worksheet.Elements<SheetData>().First();


               WorkbookStylesPart stylesPart = spreadsheetDocument.WorkbookPart.WorkbookStylesPart;

               DocumentFormat.OpenXml.Spreadsheet.Font font1 = new DocumentFormat.OpenXml.Spreadsheet.Font(
                       new Bold(),
                       new FontSize() { Val = 11 },
                       new Color() { Rgb = new HexBinaryValue() { Value = "000000" } },
                       new FontName() { Val = "Calibri" });
               stylesPart.Stylesheet.Fonts.Append(font1);
               stylesPart.Stylesheet.Save();

               UInt32Value fontId = Convert.ToUInt32(stylesPart.Stylesheet.Fonts.ChildElements.Count - 1);
               CellFormat cf = new CellFormat() { FontId = fontId, FillId = 0, BorderId = 0, ApplyFont = true };

               stylesPart.Stylesheet.CellFormats.Append(cf);

               Row r = sheetData.Elements<Row>().First<Row>();

               int index1 = stylesPart.Stylesheet.CellFormats.ChildElements.Count - 1;
               foreach(Cell c in r.Elements<Cell>())
               {
                   c.StyleIndex = Convert.ToUInt32(index1);
                   worksheetPart.Worksheet.Save();
               }
               spreadsheetDocument.Close();

           }
       }

推荐答案

转到下面的网址。希望它会对你有所帮助



excel中的标题行粗体

Go to below url. Hope it will help you

Header row bold in excel

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