直接用DataGrid.ItemSource = DataTable.DefaultView时会出现以下错误：

target element is 'TextBlock' (Name=''); target property is 'Text

 

需要用CollectionViewSource来做中间转换 .另外实时更新数据，所以不能把它做成StaticResource。

要想DataGrid render速度快，需要支持虚拟化，及设置列宽和行高。

private void BtnFirstPage_Click(object sender, RoutedEventArgs e)        {            this.mData.DataPageNum = 1;            this.SetDisData(this.mData.DataPageNum, this.mData.DataPageSize);        }        private void BtnPrevPage_Click(object sender, RoutedEventArgs e)        {            this.mData.DataPageNum--;            this.mData.DataPageNum = this.mData.DataPageNum > 1 ? this.mData.DataPageNum : 1;            this.SetDisData(this.mData.DataPageNum, this.mData.DataPageSize);        }        private void BtnNextPage_Click(object sender, RoutedEventArgs e)        {            int maxPageNum = (int)Math.Ceiling((double)this.mData.Times.Count / (double)this.mData.DataPageSize);            this.mData.DataPageNum++;            this.mData.DataPageNum = this.mData.DataPageNum > maxPageNum ? maxPageNum : this.mData.DataPageNum;            this.SetDisData(this.mData.DataPageNum, this.mData.DataPageSize);        }        private void BtnLastPage_Click(object sender, RoutedEventArgs e)        {            int maxPageNum = (int)Math.Ceiling((double)this.mData.Times.Count / (double)this.mData.DataPageSize);            this.mData.DataPageNum = maxPageNum;            this.SetDisData(this.mData.DataPageNum, this.mData.DataPageSize);        }                private void SetDisData(int pageNum, int pageSize)        {            DataRow row;            int startRow = (pageNum - 1) * pageSize;            int endRow = startRow + pageSize;            endRow = this.mData.Times.Count > endRow ? endRow : this.mData.Times.Count;            this.mDtData.Rows.Clear();            CollectionViewSource itemCollectionViewSource2 = new CollectionViewSource();            itemCollectionViewSource2.Source = this.mDtData;            DgdData.DataContext = itemCollectionViewSource2;        }