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我有一個Telerik Radgrid有兩個不同的數據庫，第一個數據源加載大部分信息，而第二個數據庫加載一個列。 我的問題是，第一個數據加載速度快，而第二個（單列）速度慢，所以我試圖找出一種方法來延遲加載第二個數據源，而不必等待整個數據約束。 這裏是我到目前爲止的代碼radgrid單列延遲加載
ASPX：
<telerik:RadGrid ID="rgPointage" runat="server" CellSpacing="0" GridLines="None" AutoGenerateColumns="False" AllowSorting="True" OnItemDataBound="rgPointage_ItemDataBound">
<MasterTableView DataKeyNames="Matricule">
<Columns>
<telerik:GridBoundColumn FilterControlAltText="Filter Matricule column" DataField="Matricule" HeaderText="Matricule" UniqueName="Matricule">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Direction" FilterControlAltText="Filter Direction column" HeaderText="Direction" UniqueName="Direction" AutoPostBackOnFilter="True" FilterControlWidth="80px">
<ColumnValidationSettings>
<ModelErrorMessage Text="" />
</ColumnValidationSettings>
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Nom column" DataField="Nom" HeaderText="Nom" UniqueName="Nom">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Prenom column" DataField="Prenom" HeaderText="Prenom" UniqueName="Prenom">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Etat column" DataField="motif" HeaderText="Etat" UniqueName="Etat">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt1 column" HeaderText="Pointage 1" UniqueName="Pnt1" DataField="Pnt1" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src1 column" HeaderText="Source 1" UniqueName="src1" DataField="PntSource1">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt2 column" HeaderText="Pointage 2" UniqueName="Pnt2" DataField="Pnt2" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src2 column" HeaderText="Source 2" UniqueName="src2" DataField="PntSource2">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt3 column" HeaderText="Pointage 3" UniqueName="Pnt3" DataField="Pnt3" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src3 column" HeaderText="Source 3" UniqueName="src3" DataField="PntSource3">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt4 column" HeaderText="Pointage 4" UniqueName="Pnt4" DataField="Pnt4" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src4 column" HeaderText="Source 4" UniqueName="src4" DataField="PntSource4">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt5 column" HeaderText="Pointage 5" UniqueName="Pnt5" DataField="Pnt5" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src5 column" HeaderText="Source 5" UniqueName="src5" DataField="PntSource5">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn FilterControlAltText="Filter Pnt6 column" HeaderText="Pointage 6" UniqueName="Pnt6" DataField="Pnt6" DataFormatString="{0:HH:mm}">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn Display="false" FilterControlAltText="Filter src6 column" HeaderText="Source 6" UniqueName="src6" DataField="PntSource6">
</telerik:GridBoundColumn>
</Columns>
</MasterTableView>
</telerik:RadGrid>
C＃：
protected void getPointage(DateTime date)
{
try
{
DataTable dt = new DataTable();
if (!SP)
dt = getChildren(getFather());
else
dt = getAll();
if (dt == null)
return;
listePointage.Clear();
foreach (DataRow emp in dt.Rows)
{
using (var DB = new PRHEntities())
{
string matr = emp["Matricule"].ToString();
string nomEmp = emp["NomEmploye"].ToString();
string prenomEmp = emp["PrenomEmploye"].ToString();
string direction = emp["Direction"].ToString();
PointagePersonne pointage = (from p in DB.Fn_PointageParJour(matr, date)
select new PointagePersonne
{
Matricule = matr,
Nom = nomEmp,
Prenom = prenomEmp,
Direction = direction,
Pnt1 = p.Pnt1,
Pnt2 = p.Pnt2,
Pnt3 = p.Pnt3,
Pnt4 = p.Pnt4,
Pnt5 = p.Pnt5,
Pnt6 = p.Pnt6,
PntSource1 = p.PntID1,
PntSource2 = p.PntID2,
PntSource3 = p.PntID3,
PntSource4 = p.PntID4,
PntSource5 = p.PntID5,
PntSource6 = p.PntID6
}).FirstOrDefault<PointagePersonne>();
if (!object.Equals(pointage, null))
{
pointage.PntSource1 = getSourcePointage(pointage.PntSource1);
pointage.PntSource2 = getSourcePointage(pointage.PntSource2);
pointage.PntSource3 = getSourcePointage(pointage.PntSource3);
pointage.PntSource4 = getSourcePointage(pointage.PntSource4);
pointage.PntSource5 = getSourcePointage(pointage.PntSource5);
pointage.PntSource6 = getSourcePointage(pointage.PntSource6);
pointage.motif = getmotifAbsence(matr, date);
listePointage.Add(pointage);
}
else
{
var nonPnt = new PointagePersonne()
{
Matricule = matr,
Nom = nomEmp,
Prenom = prenomEmp,
Direction = direction,
Pnt1 = null,
Pnt2 = null,
Pnt3 = null,
Pnt4 = null,
Pnt5 = null,
Pnt6 = null,
motif = getmotifAbsence(matr, date)
};
listePointage.Add(nonPnt);
}
}
}
rgPointage.DataSource = listePointage;
rgPointage.DataBind();
ViewState["pointage"] = listePointage;
if (rgPointage.Items.Count > 1)
{
btExportPointage.Visible = true;
}
else
btExportPointage.Visible = false;
}
catch (Exception ex)
{
//
}
}
所以我想要做的是加載方法getmotifAbsence（MATR，日期）逐線在radgrid加載並顯示之後。