C# Excel 单元格内部某段字节设置格式

示例一

Dim a, b As Integer

a=len(text1.text)

b=len(text2.text)

xlSheet.Range(Cells(1, 2)).Characters(5, a).Font.Underline = xlUnderlineStyleSingle

xlSheet.Range(Cells(1, 2)).Characters(5+a+5, b).Font.Underline = xlUnderlineStyleSingle

实例二

/// <summary>

/// 生成申请书清单

/// </summary>

/// <param name="dataSet"></param>

/// <param name="filePath"></param>

public void exportExcel(string filePath)

{

DataSet dataSet = new DataSet();

DataTable dataTable = new DataTable();

dataTable.Columns.Add("指南编号", typeof(string));

dataTable.Columns.Add("课题名称", typeof(string));

dataTable.Columns.Add("申请人", typeof(string));

dataTable.Columns.Add("申请经费（万元）", typeof(string));

dataTable.Columns.Add("密级", typeof(string));

dataTable.Columns.Add("课题组联系方式", typeof(string));

dataTable.Columns.Add("Email", typeof(string));

DataRow dr = dataTable.NewRow();

dr["指南编号"] = this.ptcGuideNum.Text;

dr["课题名称"] = this.ptcTopicName.Text;

dr["申请人"] = this.ptcApplicant.Text;

dr["申请经费（万元）"] = this.ptcDirectMoney28.Text;

dr["密级"] = this.ptcFragmentLevel.Text;

dr["课题组联系方式"] = "联系电话：" + this.telephonePtc.Text + "\n手机：" + this.userMobilePtc.Text;

dr["Email"] = this.ptcEmail.Text;

dataTable.Rows.Add(dr);

dataSet.Tables.Add(dataTable);

if (dataSet.Tables.Count == 0)

{

throw new Exception("DataSet中没有任何可导出的表。");

}

//创建application对象

Microsoft.Office.Interop.Excel.Application excelApplication = new Microsoft.Office.Interop.Excel.Application();

excelApplication.DisplayAlerts = false;

object m_objOpt = System.Reflection.Missing.Value;

//打开excel对象

Microsoft.Office.Interop.Excel.Workbook workbook = excelApplication.Workbooks.Open(filePath, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt, m_objOpt);

//获取excel的sheet集

Microsoft.Office.Interop.Excel.Sheets m_objSheets = null;

m_objSheets = (Microsoft.Office.Interop.Excel.Sheets)workbook.Worksheets;

//Microsoft.Office.Interop.Excel.Workbook workbook = excelApplication.Workbooks.Add(Missing.Value);

int i = 0;

foreach (DataTable dt in dataSet.Tables)

{

i++;

//Microsoft.Office.Interop.Excel.Worksheet lastWorksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets.get_Item(workbook.Worksheets.Count);

//Microsoft.Office.Interop.Excel.Worksheet lastWorksheet = (Microsoft.Office.Interop.Excel.Worksheet)(m_objSheets.get_Item(i));

Microsoft.Office.Interop.Excel.Worksheet newSheet = (Microsoft.Office.Interop.Excel.Worksheet)(m_objSheets.get_Item(1));

//lastWorksheet.Name = dt.TableName;

//表头的导出

//for (int col = 0; col < dt.Columns.Count; col++)

//{

// newSheet.Cells[1, col + 1] = dt.Columns[col].ColumnName;

//}

Microsoft.Office.Interop.Excel.Range range1;

string unitname = " " + this.ptcRelyingUnit.Text + " ";

//列的导出

newSheet.Cells[1, 1] = unitname + "242计划申报课题清单";

range1 = newSheet.get_Range("A1");

range1.get_Characters(0, unitname.Length).Font.Underline = true;

newSheet.Cells[2, 1] = "（" + this.ptcApplicationDateYear.Text + "年" + this.ptcApplicationDateMonth.Text + "月" + this.ptcApplicationDateDay.Text + "日）";

for (int row = 0; row < dt.Rows.Count; row++)

{

for (int col = 0; col < dt.Columns.Count; col++)

{

newSheet.Cells[row + 5, col + 1] = dt.Rows[row][col].ToString();

}

}

}

try

{

workbook.Close(true, filePath, System.Reflection.Missing.Value);

}

catch (Exception e)

{

throw e;

}

excelApplication.Quit();

}