List<EmployeeModel>() employees = new List<EmployeeModel>();
//调用打印
GetPrintPage(dataPager1.PageCount, dataPager1.PageSize)
//当前数据分页中dataPager1
//当前数据页行数PageSize
//employees 当前填充DataGrid的集合
//PageCount总页码
//Pagesize 每一页页数
public void GetPrintPage(int PageCount, int Pagesize)
{
PrintDocument pd = new PrintDocument();
int itemindex = 0;//从第一张打印
int count = Pagesize;
//根据页码选择的数据
pd.PrintPage += (s, pe) =>
{
StackPanel stack = new StackPanel();
while (itemindex < PageCount)
{
if (itemindex == PageCount- 1)
{
count = employees.Count - (Pagesize * itemindex);
}
List<EmployeeModel> itemsource = LoadNewList(employees, itemindex * Pagesize, count);
PageP mode = new PageP();//当前要打印的页面（包含数据DataGrid）
int PrintPageindex = itemindex + 1;
mode.MinHeight = 1058;//根据A4纸显示高度
mode.dataGrid1.ItemsSource = itemsource;
stack.Children.Add(mode);
stack.Measure(new Size(pe.PrintableArea.Width, double.PositiveInfinity));
if (stack.DesiredSize.Height > pe.PrintableArea.Height | stack.Children.Count > 1)
{
stack.Children.Remove(mode);
stack.Measure(pe.PrintableArea);
pe.HasMorePages = true;
break;
}
itemindex += 1;
}
pe.PageVisual = stack;
};
pd.Print(null);
}
// 获取指定的List集合
public static List<T> LoadNewList<T>(List<T> _source, int PIndex, int Pcounts)
{
List<T> newList = new List<T>();
newList.AddRange(_source.GetRange(PIndex, Pcounts));
return newList;
}