int index=0;
/// <summary>
/// QueryTask查询多个图层。并绑定数据
/// </summary>
/// <param name="listUrl">图层Url集合</param>
/// <param name="strSql">图层查询Sql</param>
private void QueryByMultiUrl(List<string> listUrl, string strSql)
{
if (strSql=="")
{
MessageBox.Show("请输入筛选条件!");
return;
}
loadingMask.LoadMask();
intUrlCount = listUrl.Count;
if (intUrlCount != 0)
{
string url = listUrl[index];
QueryTask queryTask = new QueryTask(url);
queryTask.Failed += QueryTask_AllFailed;
Query query = new Query();
query.ReturnGeometry = true;
query.Where = strSql;
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
queryTask.ExecuteCompleted += (sender2, args2) =>
{
QueryTask objQueryTask = sender2 as QueryTask;
FeatureSet pFeatureSet = objQueryTask.LastResult;
foreach (Graphic item in pFeatureSet)
{
xmfwxGraphicList.Add(item);
}
index++;
queryFun(listUrl,strSql);
};
}
}
private void queryFun(List<string> listUrl, string strSql)
{
if (index == intUrlCount)
{
index = 0;
System.Windows.Data.PagedCollectionView pageView = new System.Windows.Data.PagedCollectionView(xmfwxGraphicList);
resultGrid.ItemsSource = pageView;
this._grdWorkBox_Pager.Source = pageView;
this.CtrlSearchBox.Binding(resultGrid);
this.CtrlSearchBox.BingindTextBoxNotify(this.TxtTip, pageView);
TextBlockExtension.SetRedText(TxtTip, xmfwxGraphicList.Count.ToString());
TxtTip.Text = xmfwxGraphicList.Count.ToString();
loadingMask.UnLoadMask();
if (xmfwxGraphicList.Count <= 0)
{
MessageBox.Show("没查到相关数据!");
}
return;
}
QueryByMultiUrl(listUrl, strSql);
}
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