few important events of ASPxGridView..............

//How to set selection by c# code...................................................................................................
protected void AssetsListGrid_SetSelection(object sender, ASPxGridViewDetailRowEventArgs e)

{
　

if (AssetListGrid.Selection.IsRowSelected(e.VisibleIndex)){
AssetListGrid.Selection.SetSelection(e.VisibleIndex,
false);AssetListGrid.DataBind();
}

else{
AssetListGrid.Selection.SetSelection(e.VisibleIndex, true);AssetListGrid.DataBind();




// How to get keyvalue of Master Grid OnBeforeDataSelectionPerform By Inner Grid.............................
protected void detailGrid_DataSelect(object sender, EventArgs e){

String ID = (sender as ASPxGridView).GetMasterRowKeyValue().ToString();Session[
"DisplayID"] = ID;
}



// How to get ASPxGridView fieldvalues OnRowComman Click..................................
//ASPx File
<dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" KeyFieldName="QuotationID" OnRowCommand="ASPxGridView1_RowCommand"><Settings ShowFilterRow="True" />

<dx:GridViewDataTextColumn FieldName="BlockQuotation" VisibleIndex="9"><DataItemTemplate><asp:LinkButton ID="BlockQuotation" runat="server" CommandName="BlockQuotation" Text="BlockQuotation">Block Quotation
</asp:LinkButton></DataItemTemplate></dx:GridViewDataTextColumn>



protected void ASPxGridView1_RowCommand(object sender, DevExpress.Web.ASPxGridView.ASPxGridViewRowCommandEventArgs e){
Session[
"QuotationID"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "QuotationID").ToString();Session[
"ClientID"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "ClientID").ToString();Session[
"ClientCompanyName"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "ClientCompanyName").ToString();
//Session["FNameClientContact"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "FNameClientContact").ToString();//Session["LNameClientContact"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "LNameClientContact").ToString();Session["ClientEmailID"] = ASPxGridView1.GetRowValuesByKeyValue(e.KeyValue, "ClientEmailID").ToString();Response.Redirect(
"BlockQuotation.aspx");　
}

how to get ASPxGridView Key values,field values and set to hidden field

// <![CDATA[function ASPxGridView2_SelectionChanged(s, e) {

s.GetSelectedFieldValues(
"DisplayListPrice", GetSelectedFieldValuesCallback);
function GetSelectedFieldValuesCallback(values) {　

if (e.isSelected) {
var Key = s.GetRowKey(e.visibleIndex);
if (!clientHiddenField.Contains(Key)) {clientHiddenField.Add(Key, Key +
"," + values);}

else {clientHiddenField.Set(Key, Key +
"," + values);}
}

if (!e.isSelected) {
var Key = s.GetRowKey(e.visibleIndex);
if (clientHiddenField.Contains(Key)) {clientHiddenField.Remove(Key);
}
}
}
　
　
}


// ]]>


.ASPx file
// Drag a hidden field control................................................
<dx:ASPxHiddenField ID="ASPxHiddenField1" runat="server"></dx:ASPxHiddenField>
// Inside ASPxGridView..................................................................
<ClientSideEvents SelectionChanged="ASPxGridView2_SelectionChanged" />




//.CS file.........................................
// how to get hidden field values..................................
foreach (object key in hiddenField){ string QP = string.Empty; string[] pars = Convert.ToString(key).Split(','); String v = pars[0];String DisplayDetailsID = pars[1];String OfferPrice = pars[2]; // IGV.GetRowValues(j, "DisplayDetailsID").ToString();for (int i = 0; i < (OfferPrice.Length - 1); i++) { QP = QP + OfferPrice[i]; }