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Dynamic checkbox control in SharePoint 2007 web part

Posted on 2008-06-23
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Last Modified: 2010-05-18
I have created dynamic check boxes in SharePoint 2007 web part but I am not able to read the values of checkboxes which are checked. Please
private void IterateControls(Control Parent)
        {
            
          foreach (Control child in Parent.Controls)
            {
                
                if (child.GetType().ToString().Equals("System.Web.UI.WebControls.CheckBox"))
                {
 
                    CheckBox chkBool = (CheckBox)child;
 
                    if (chkBool.Checked == true)
                    {
                        int i = 0;
                        strLenderName.Add(chkBool.ID.ToString());
                        i++;
                    }
                }
 
                if (child.Controls.Count > 0)
                {
                    IterateControls(child);
                }
            }
           
           
            for (int j = 0; j < strLenderName.Count; j++)
            {
                Page.Response.Write("strLenderName" + strLenderName[j].ToString());
            }
        }
 
 
        private void btnSubmit_Click(Object Sender, EventArgs e)
        {
            try
            {
                
                IterateControls(this);
                
            }
            catch (Exception eXSubmt)
            {
                Page.Response.Write("Error Message" + eXSubmt.Message);
            }
        }

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Question by:lakshmidurga
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5 Comments
 
LVL 3

Accepted Solution

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argodev earned 500 total points
ID: 21851934
You indicated that you created the controls dynamically... when? during CreateChildControls or ?

Are you re-creating them on Page Init? Due to the flow of the asp.net page lifecycle, you have to re-create any dynamically created controls in Page_Init so that they exist prior to view-state being applied. If not, they are not there when the system applies viewstate and therefore the values are lost.

The following is an old, but helpful article on the topic.
http://aspnet.4guysfromrolla.com/articles/092904-1.aspx 
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Author Comment

by:lakshmidurga
ID: 22004441
close this question.Thanks for Helping
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Expert Comment

by:argodev
ID: 22015498
The answer provided would appear to have given the asker the solution needed. No counter question was asked nor was any clarification requested. In my opinion, points should be awarded for a correct answer rather than being refunded to the asker.
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