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Select all items in the listbox in asp.net while loading data...

Posted on 2007-04-09
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Last Modified: 2012-05-05
The below code loads the data from the XML to asp.net listbox and assign default selected value to first item.  How could i code so that it will selecte all items  by default?  and also show me how to select the items dynamically based on value from XML (refer below the XML structure)

dsIndexes.ReadXml(filepath);
lstIndexList.DataSource = dsIndexes.Tables[0];
//LBIndexList.DataMember = Indexes;
lstIndexList.DataTextField = dsIndexes.Tables[0].Columns[1].ToString();
lstIndexList.DataValueField = dsIndexes.Tables[0].Columns[2].ToString();
lstIndexList.DataBind();
 lstIndexList.SelectedIndex = 0;

XML structure is as below

<?xml version="1.0" encoding="utf-8" ?>
<Indexes>
  <Index>
    <Index_ID Selected=true>01</Index_ID>
    <Index_Name>dfdfdfdsf</Index_Name>
    <Index_URL>dsdsfdfdf</Index_URL>
  </Index>
 <Index>
    <Index_ID Selected=false>02</Index_ID>
    <Index_Name>dfdfdfddererer</Index_Name>
    <Index_URL>dfsdfdfdfd</Index_URL>
  </Index>
</Indexes>
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Question by:thirunachi
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5 Comments
 
LVL 13

Expert Comment

by:jeebukarthikeyan
ID: 18875765
hi,

if u want multiple items to be selected then set SelectionMode="Multiple"

and add the code after loading the item from xml

 foreach (ListItem li in ListBox1.Items)
        {
            li.Selected = true;
        }

thanks
b u d d h a
0
 

Author Comment

by:thirunachi
ID: 18880440
Receiving the following Error...
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS0117: 'System.Web.UI.WebControls.ListBox' does not contain a definition for 'items'

Source Error:

 

Line 84:                 lstIndexList.ToolTip = dsIndexes.Tables[0].Columns[3].ToString();
Line 85:                 lstIndexList.DataBind();
Line 86:                 foreach (listitem li in lstIndexList.items)
Line 87:                 {
Line 88:                     li.Selection = true;
 
0
 
LVL 13

Accepted Solution

by:
jeebukarthikeyan earned 1500 total points
ID: 18880565
hi,

change the line
 foreach (listitem li in lstIndexList.items)

like this
 foreach (ListItem li in lstIndexList.Items)

b u d d h a
0
 

Author Comment

by:thirunachi
ID: 18880579
Thanks for the help....Why these properties dont show up in VS intellisense list members?  

Thanks
Thiru
0
 
LVL 13

Expert Comment

by:jeebukarthikeyan
ID: 18880588
hi,

seems problem with the vs

try pressing ctrl-space after a key word

b u d d h a
0

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