问题描述
**C# windowform 中的 EPPlus 无法获取 Excel 文件中的自动填充值。
错误信息: System.NullReferenceException: '未将对象引用设置为对象的实例。' OfficeOpenXml.ExcelRangeBase.Value.get 返回空值。
这里我的代码请帮助我**
private void btn_Import_Click(object sender,EventArgs e)
{
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
List<UserInfo> userList = new List<UserInfo>();
try
{
//Open File Excel
var package = new ExcelPackage(new FileInfo("Thang1.xlsx"));
ExcelWorksheet worksheet = package.Workbook.Worksheets[1];
for (int i = worksheet.Dimension.Start.Row + 1; i <= worksheet.Dimension.End.Row; i++)
{
try
{
int j = 1;
string SoCC = worksheet.Cells[i,j++].Value==null? string.Empty : worksheet.Cells[i,j++].Value.ToString();
string Ngay = worksheet.Cells[i,j++].Value == null ? string.Empty : worksheet.Cells[i,j++].Value.ToString();
string ThongTin = worksheet.Cells[i,j++].Value.ToString();
string PhanLoai = worksheet.Cells[i,j++].Value.ToString();
string Hoten = worksheet.Cells[i,j++].Value;
string Phi = worksheet.Cells[i,j++].Value;
UserInfo user = new UserInfo()
{
SoccHS = SoCC,NgayHS = Ngay,ThongTinHS = ThongTin,PhanLoaiHS = PhanLoai,HotenHS = Hoten,PhiHS = Phi,};
userList.Add(user);
}
catch (Exception exe)
{
}
}
}
catch (Exception ee)
{
MessageBox.Show("Error!");
}
dtg_Excel.DataSource = userList;
}
解决方法
暂无找到可以解决该程序问题的有效方法,小编努力寻找整理中!
如果你已经找到好的解决方法,欢迎将解决方案带上本链接一起发送给小编。
小编邮箱:dio#foxmail.com (将#修改为@)