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2
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Binding 10K + elements to a dropdown list with selection
Rp Singh
Apr 11 2017 5:17 AM
214
Reply
Hi Geeks,
I am having a dropdown in asp.net like -
<dx:ASPxGridLookup ID=
"SelectionGrid"
Visible=
"false"
runat=
"server"
SelectionMode=
"Multiple"
Width=
"350px"
MultiTextSeparator=
";"
EnableFocusedStyle=
"false"
GridViewProperties-Settings-ShowVerticalScrollBar=
"true"
AllowUserInput=
"true"
GridViewProperties-SettingsPager-Mode=
"ShowPager"
GridViewProperties-SettingsPager-PageSize=
"50"
IncrementalFilteringMode=
"None"
TextFormatString=
"{0}"
KeyFieldName=
"Key"
IncrementalFilteringDelay=
"1200"
GridViewProperties-Settings-ShowFilterRowMenu=
"true"
FocusedStyle-ForeColor=
"Black"
GridViewProperties-Settings-ShowFilterRow=
"true"
ClientSideEvents-KeyUp=
"function (s, e) {return false;}"
AutoPostBack=
"false"
GridViewProperties-EnableCallBacks=
"true"
>
<Columns>
<dx:GridViewCommandColumn ShowSelectCheckbox=
"True"
Width=
"60px"
HeaderStyle-Cursor=
"auto"
Caption=
"Select"
/>
<dx:GridViewDataTextColumn Caption=
"Vint"
Width=
"200px"
Visible=
"True"
Settings-AllowSort=
"False"
Settings-ShowFilterRowMenu=
"True"
Settings-ShowInFilterControl=
"True"
Settings-AllowAutoFilterTextInputTimer=
"True"
Settings-AllowAutoFilter=
"True"
FieldName=
"Value"
Settings-AutoFilterCondition=
"Contains"
CellStyle-ForeColor=
"Black"
CellStyle-Font-Bold=
"false"
Settings-FilterMode=
"DisplayText"
>
</dx:GridViewDataTextColumn>
</Columns>
</dx:ASPxGridLookup>
My dropdown gets hanged when the items get loaded on the click of dropdown.
Can you please suggest some method/improvements so that the dropdown shows loading on click of dropdown till the items get loaded in the dropdown.
some code will be helpful.
thanks,
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