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[英]DataContract Serialization gives “Index was outside the bounds of the array” exception ..C#
[英]“Index was outside the bounds of the array” exception C#
我正在尝试保存Excel工作簿,但是,我收到异常“索引超出数组范围”。
这是代码:
public static void Update()
{
FileInfo newFile = new FileInfo(@"C:\Users\");
using (ExcelPackage p = new ExcelPackage(newFile))
{
ExcelWorkbook work = p.Workbook;
ExcelNamedRange sourceRange = work.Names["NewTakt"];
ExcelNamedRange destinationRange = work.Names["PreviousTakt"];
ExcelWorksheet worksheet = sourceRange.Worksheet;
int iRowCount = sourceRange.End.Row - sourceRange.Start.Row + 1;
int iColCount = sourceRange.End.Column - sourceRange.Start.Column +1;
for (int iRow = 0; iRow < iRowCount; iRow++)
{
for (int iColumn = 0; iColumn < iColCount; iColumn++)
{
worksheet.Cells[destinationRange.Start.Row + iRow,
destinationRange.Start.Column + iColumn].Value =
worksheet.Cells[sourceRange.Start.Row + iRow,
sourceRange.Start.Column + iColumn].Value;
}
}
p.Save(); ---> the exception happens here
}
}
我究竟做错了什么? 任何帮助,我们将不胜感激。
在Excel中,单元格和范围不是从0开始,而是从1开始。因此更改循环,从1开始,如下所示:
for (int iRow = 1; iRow < iRowCount; iRow++)
{
for (int iColumn = 1; iColumn < iColCount; iColumn++)
{
行和列在EPPlus中为1索引,因此您的代码应为:
for (int iRow = 1; iRow <= iRowCount; iRow++)
{
for (int iColumn = 1; iColumn <= iColCount; iColumn++)
{
worksheet.Cells[destinationRange.Start.Row + iRow,
destinationRange.Start.Column + iColumn].Value =
worksheet.Cells[sourceRange.Start.Row + iRow,
sourceRange.Start.Column + iColumn].Value;
}
}
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