How to find the data key on CheckedChanged event of checkbox in ListView in ASP.NET?
- by subodh
I am using a list view inside that in item template i am using a label and a checkbox.
I want that whenever user clicks on the check box the value should be updated in a table.i am using a datakeys in listview.on the basis of datakey value should be updated in the table. Query is:
string updateQuery = "UPDATE [TABLE] SET [COLUMN] = " + Convert.ToInt32(chk.Checked) + " WHERE PK_ID =" + dataKey + " ";`
also i want some help in displaying the result as it is inside the table.means if the value for column in table for a particular pkid is 1 then the checkbox shoul be checked.
Here is the code snippet:
<asp:ListView ID="lvFocusArea" runat="server" DataKeyNames="PK_ID" OnItemDataBound="lvFocusArea_ItemDataBound">
<LayoutTemplate>
<table border="0" cellpadding="1" width="400px">
<tr style="background-color: #E5E5FE">
<th align="left">
Focus Area
</th>
<th>
Is Current Focused
</th>
</tr>
<tr id="itemPlaceholder" runat="server">
</tr>
</table>
</LayoutTemplate>
<ItemTemplate>
<tr>
<td width="80%">
<asp:Label ID="lblFocusArea" runat="server" Text=""><%#Eval("FOCUS_AREA_NAME") %></asp:Label>
</td>
<td align="center" width="20%">
<asp:CheckBox ID="chkFocusArea" runat="server" OnCheckedChanged="chkFocusArea_CheckedChanged" AutoPostBack="true" />
</td>
</tr>
</ItemTemplate>
<AlternatingItemTemplate>
<tr style="background-color: #EFEFEF">
<td>
<asp:Label ID="lblFocusArea" runat="server" Text=""><%#Eval("FOCUS_AREA_NAME") %></asp:Label>
</td>
<td align="center">
<asp:CheckBox ID="chkFocusArea" runat="server" OnCheckedChanged="chkFocusArea_CheckedChanged" AutoPostBack="true" />
</td>
</tr>
</AlternatingItemTemplate>
<SelectedItemTemplate>
<td>
item selected
</td>
</SelectedItemTemplate>
</asp:ListView>
Help me.
