如何使用C#将数据插入excel工作表?
我想从字符串数组创建新的excel工作表并将数据插入其中。我使用以下代码创建,现在我想插入数据如何使用C#将数据插入excel工作表?,c#,excel,C#,Excel,我想从字符串数组创建新的excel工作表并将数据插入其中。我使用以下代码创建,现在我想插入数据 Excel.Application xlApp; Excel.Workbook xlWorkBook; Excel.Worksheet xlWorkSheet; object misValue = System.Reflection.Missing.Value; xlApp = new Excel.
Excel.Application xlApp;
Excel.Workbook xlWorkBook;
Excel.Worksheet xlWorkSheet;
object misValue = System.Reflection.Missing.Value;
xlApp = new Excel.Application();
//xlApp = new Excel._Application.ApplicationClass();
xlWorkBook = xlApp.Workbooks.Add(misValue);
xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
xlWorkSheet.Cells[1, 1] = "http://csharp.net-informations.com";
xlWorkBook.SaveAs("csharp-Excel.xls", Excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, Excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
xlWorkBook.Close(true, misValue, misValue);
xlApp.Quit();
releaseObject(xlWorkSheet);
releaseObject(xlWorkBook);
releaseObject(xlApp);
}
private void releaseObject(object obj)
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
obj = null;
}
catch (Exception ex)
{
obj = null;
MessageBox.Show("Exception Occured while releasing object " + ex.ToString());
}
finally
{
GC.Collect();
}
}
private void ExportToExcel(字符串文件名,DataGridView dgv)//使用给定文件名将给定的DataGridView导出到Excel
{
Excel.applicationxlapp;
Excel.工作簿;
Excel工作表;
对象错误值=System.Reflection.Missing.Value;
xlApp=new Excel.Application();
xlWorkBook=xlApp.Workbooks.Add(错误值);
xlWorkSheet=(Excel.Worksheet)xlWorkBook.Worksheets.get_项(1);
int i=0;
int j=0;
DataTable dtExcelTable=GetDataTableForExcel(dgv);
对于(i=0;i
调用COM方法非常慢。如果您计划插入大量数据,我建议您获取所需的整个范围,设置所有值,然后重新添加:
var range = xlWorkSheet.get_Range[firstCell, lastCell]; // or string range
var data = (object[,])range.get_Value(XlRangeValueDataType.xlRangeValueDefault);
// Set data here. Remember it's 1 based index, and row (y component) first
range.set_Value(data);
此方法将数据从网格导出到excel,但您可以为useGetDataTableForExcel(dgv)修改它,我发现此错误。如何调用这个方法呢?它有两个参数,它需要为excel文件指定一个文件名。GetDataTableForExcel(字符串文件名,DataGridView dgv)
var range = xlWorkSheet.get_Range[firstCell, lastCell]; // or string range
var data = (object[,])range.get_Value(XlRangeValueDataType.xlRangeValueDefault);
// Set data here. Remember it's 1 based index, and row (y component) first
range.set_Value(data);