How to store multiple values of CheckBoxList? in ASP.net

[binay00713]

I am creating a webpage using ASP.net(c#)
I have inserted a CheckBoxList inside the webpage like below

Interested in

• Friends
• Dating
• Business
• Activity Partners

where multiple values can be selected
when I click on the submit button,I want to store multiple selected values (text) in the database in a single coulmn.

and when next time the page_Load event fires,I want the multiple values to be fetched using select statement & the stored values must be selected in the CheckBoxList

My idea is to use a String datatype to store multiple values of CheckBoxList by concating & to use substring to fetch & select the multiple items
But I can't do it
Please help me...

 

[krishnandu.sarkar]

Well, I'd say concatenate the strings using some delimiter and then split them based on that delimiter.

Say for Eg, concatenate with comma(,)

Friends,Dating,Business

Now split it with

s.Split(',');

where s is the string which contains "Friends,Dating,Business"

 

[arpanmukherjee1]

> button1 = Submit
> instead using Session, query the DB

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Page.IsPostBack && Session["data"]!=null)
            foreach (string s in Session["data"].ToString().Split(new Char[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
                foreach (ListItem l in CheckBoxList1.Items)
                    if (l.Text == s)
                        l.Selected = true;
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        foreach (ListItem val in CheckBoxList1.Items)
            if (val.Selected)
                Session["data"] += val.Text + ",";

        foreach (ListItem l in CheckBoxList1.Items)
            l.Selected = false;
    }

 

[Zangetsu]

@binay00713: just create a stored procedure & pass the selected values in string as ',' separated.
use column datatype a varchar
& while fetching the data use another stored procedure which returns a Table
& use split function to return comma separated values in Table form