//在XXX.Designer.cs文件中
this.PagePanel.Controls.Add(this.uiDataGridView1);
this.PagePanel.Controls.Add(this.uiPagination1);
private Sunny.UI.UIDataGridView uiDataGridView1;
private Sunny.UI.UIPagination uiPagination1;
//这个顺序会影响到表格水平方向的滚动条

顺序错误

顺序正确