如何实现将上万条数据绑定到微软的TreeView控件上.?下面给出一个解决方法。很简单以便大家参考。
效果图
关于TreeView的基本用法详见我前面的几篇文章。
部分实现代码如下:
效果图
关于TreeView的基本用法详见我前面的几篇文章。
部分实现代码如下:
private
void
Page_Load(
object
sender,System.EventArgse)
{
evaluateRemotObj = (IEvaluate)Activator.GetObject( typeof (IEvaluate),System.Configuration.ConfigurationSettings.AppSettings[ " EvaluateRemoteObj " ]);
if ( ! this .Page.IsPostBack)
{
TreeView1.DefaultStyle[ " font-size " ] = " 10pt " ;
InitNavigationTree(TreeView1.Nodes, " ABS100101 " );
}
}
{
evaluateRemotObj = (IEvaluate)Activator.GetObject( typeof (IEvaluate),System.Configuration.ConfigurationSettings.AppSettings[ " EvaluateRemoteObj " ]);
if ( ! this .Page.IsPostBack)
{
TreeView1.DefaultStyle[ " font-size " ] = " 10pt " ;
InitNavigationTree(TreeView1.Nodes, " ABS100101 " );
}
}
private
void
InitNavigationTree(TreeNodeCollectiontncCurrent,
string
sParentID)
{
DataViewdvw = new DataView();
TreeNodenodTemp;
string strTempID;
DataSetds = evaluateRemotObj.GetSubordinatesEmployee(sParentID);
dvw.Table = ds.Tables[ 0 ];
foreach (DataRowViewdrv in dvw)
{
nodTemp = new TreeNode();
nodTemp.ID = drv[ " EmployeeNumber " ].ToString();
nodTemp.Text = drv[ " name " ].ToString();
nodTemp.ImageUrl = " ../images/icon_person1.gif " ;
nodTemp.Target = " personForm " ;
nodTemp.NavigateUrl = " ../Common/EvaluationGrid.aspx?EmployeeNumber= " + drv[ " EmployeeNumber " ].ToString();
tncCurrent.Add(nodTemp);
strTempID = drv[ " EmployeeNumber " ].ToString();
InitNavigationTree(nodTemp.Nodes,nodTemp.ID);
}
}
{
DataViewdvw = new DataView();
TreeNodenodTemp;
string strTempID;
DataSetds = evaluateRemotObj.GetSubordinatesEmployee(sParentID);
dvw.Table = ds.Tables[ 0 ];
foreach (DataRowViewdrv in dvw)
{
nodTemp = new TreeNode();
nodTemp.ID = drv[ " EmployeeNumber " ].ToString();
nodTemp.Text = drv[ " name " ].ToString();
nodTemp.ImageUrl = " ../images/icon_person1.gif " ;
nodTemp.Target = " personForm " ;
nodTemp.NavigateUrl = " ../Common/EvaluationGrid.aspx?EmployeeNumber= " + drv[ " EmployeeNumber " ].ToString();
tncCurrent.Add(nodTemp);
strTempID = drv[ " EmployeeNumber " ].ToString();
InitNavigationTree(nodTemp.Nodes,nodTemp.ID);
}
}