how coult this happen with the QTableView Column insert?

[xiongxiongchuan]

i have a slot function on insert a column with the qtableview,and the colde are bleow,i use the libqxt csvmodel function;:

void PFDataGrid::insertColumn(int columnNumber)
{
	QxtCsvModel *csvModel=(QxtCsvModel*)(this->model());
 
	csvModel->insertColumn(columnNumber);
 
 
 
}

void PFDataGrid::insertColumn(int columnNumber)
{
	QxtCsvModel *csvModel=(QxtCsvModel*)(this->model());

	csvModel->insertColumn(columnNumber);
	


}

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but when i insert a column ,there is always will insert a column at the end ,can't be edit ,and the first column did't have column number ,can anyone help my ,i will be appreciate it未命名.JPG