IG:Web Tab binding value in wrong textbox

On main page i have tab as below

<ig:WebTab ID="tabMatric" runat="server" Height="550px" EnableViewState="true">
<ClientEvents Loaded="tabMatric_Loaded" SelectedIndexChanging="tabSelectedIndexChanging" />

</ig:WebTab>

On Repeater control I have below code

<asp:Repeater ID="repQuestionnaire" runat="server" EnableViewState="True" OnItemDataBound="repQuestionnaire_ItemDataBound" OnItemCreated="repQuestionnaire_ItemCreated">
<ItemTemplate>
<table cellpadding="3" width="98%">
<tr>

</tr>

</table>

</Itemtemplate>

</asp:repeater>

Code behind repeater

protected void Page_Load(object sender, EventArgs e)
{

if (qList != null && qList.Count() > 0)
{
repQuestionnaire.DataSource = qList;
repQuestionnaire.DataBind();
}

protected void rblResponses_SelectedIndexChanged(object sender, EventArgs e)
{
int responseID = 0;
string responseName = "";
// string MetricTab
// int RadioResponseID = Convert.ToInt32(rblResponses.SelectedValue);
foreach (RepeaterItem item in repQuestionnaire.Items)
{
// RadioButton rdbColour = item.FindControl("rdbColour") as RadioButton;
RadioButtonList rblResponses = item.FindControl("rblResponses") as RadioButtonList;
// DropDownList drpcomments = item.FindControl("drpComments") as DropDownList;
// DropDownList drpCommentText = item.FindControl("ddlcommenttext") as DropDownList;
DropDownList ddlcomment = item.FindControl("ddlcomment") as DropDownList;

if (rblResponses.SelectedIndex != -1)
{
responseID = Convert.ToInt32(rblResponses.SelectedValue);
string responseText = rblResponses.SelectedItem.Text.ToString();
responseName = responseText.Substring(responseText.LastIndexOf(')') + 1).TrimStart();
CommentsMaintenanceSessionManager sessionMangercomments = new CommentsMaintenanceSessionManager();
List<BusinessEntities.CommentsMaintenance> clist = sessionMangercomments.Get(CommentsMaintenanceSessionManager.COMMENT_LIST) as List<BusinessEntities.CommentsMaintenance>;

BindCommentsDropdown(clist, responseName, ddlcomment);
if ( hfddlcomment.Value != "")
{
ddlcomment_SelectedIndexChanged1( sender, e);
}
// ddlcomment_SelectedIndexChanged1(sender, e);
}
}

}

public void BindCommentsDropdown(List<CommentsMaintenance> CommentList, string responseName,DropDownList ddlcomment)
{
try
{
// int RadioResponseID = Convert.ToInt32(rblResponses.SelectedValue);
List<BusinessEntities.CommentsMaintenance> commentList = new List<BusinessEntities.CommentsMaintenance>();
if (CommentList != null)
{
if (CommentList.Count > 0)
{
ddlcomment.DataSource = CommentList.Where(c => c.MetricID == this.metricId && c.ResponseName == responseName);
ddlcomment.DataTextField = "CommentText";
ddlcomment.DataValueField = "CommentID";
ddlcomment.DataBind();
ddlcomment.Items.Insert(0, new ListItem("-- Select --", "Select"));
}
}
else
{
using (BusinessProcess.CommentsMaintenace bpcommentsmaintenance = new BusinessProcess.CommentsMaintenace())
{
List<BusinessEntities.ResponseCommentsMaintenance> ResponseList = new List<BusinessEntities.ResponseCommentsMaintenance>();
List<BusinessEntities.RiskThemeMetric> metricList = new List<RiskThemeMetric>();
//List<BusinessEntities.AdminCommentList> commentList = new List<AdminCommentList>();

int result = bpcommentsmaintenance.GetCommentsList(Period, ref ResponseList, ref metricList, ref commentList);
if (commentList != null)
{
if (commentList.Count > 0)
{
ddlcomment.DataSource= commentList.Where(c => c.MetricID == this.metricId && c.ResponseName == responseName);
ddlcomment.DataTextField = "CommentText";
ddlcomment.DataValueField = "CommentID";
ddlcomment.DataBind();
ddlcomment.Items.Insert(0, new ListItem("-- Select --", "Select"));
////drpComments.DataSource = commentList.Where(c => c.MetricID == this.metricId && c.ResponseName == responseName);
//drpComments.DataTextField = "CommentText";
// drpComments.DataValueField = "CommentID";
// drpComments.DataBind();

}
}
}
}
}
catch (Exception ex)
{

}

protected void repQuestionnaire_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
// This event is raised for the header, the footer, separators, and items.

// Execute the following logic for Items and Alternating Items.
if (e.Item.ItemType == ListItemType.Item ||
e.Item.ItemType == ListItemType.AlternatingItem)
{
#region "Find Controls from item..."

int questionId =
Convert.ToInt32(((HiddenField)e.Item.FindControl("hfQuestionId")).Value);

string showCommentsAlways = ((Question)e.Item.DataItem).showComments;
string displayType = string.Empty;
bool bShowCommentsBox = false;

Literal ltrQuestionNo = (Literal)e.Item.FindControl("ltrQuestionNo");
if (ltrQuestionNo != null)
ltrQuestionNo.Text = Convert.ToString(nCounter++);

HtmlGenericControl divComments =
((HtmlGenericControl)e.Item.FindControl("divComments"));

RadioButtonList rblResponses =
((RadioButtonList)e.Item.FindControl("rblResponses"));

if (rblResponses != null)
{
rblResponses.Attributes.Add("onclick", "javascript:setDirtyFlag(true);");
}
RequiredFieldValidator rfvComments =
((RequiredFieldValidator)e.Item.FindControl("rfvComments"));
UserControl UC_txtComment = ((UserControl)e.Item.FindControl("txtComments"));
TextBox txtComments = ((TextBox)UC_txtComment.FindControl("txtMessage"));
if (txtComments != null)
{
txtComments.Attributes.Add("onblur", "javascript:validateMin10AndMax4000StringChar(this);");
}
/*
Image btnSpellCheck = ((Image)e.Item.FindControl("btnSpellCheck"));
if (btnSpellCheck != null && txtComments != null)
btnSpellCheck.Attributes.Add("onclick", "javascript:WebSpellingCheck('" +
this.WebSpellCheckerClientID + "','" + txtComments.ClientID + "')");
*/
HyperLink btnSpellCheck = ((HyperLink)e.Item.FindControl("lnkSpellCheck"));
if (btnSpellCheck != null && txtComments != null)
btnSpellCheck.Attributes.Add("onclick", "javascript:WebSpellingCheck('" +
this.WebSpellCheckerClientID + "','" + txtComments.ClientID + "')");

#endregion

ISessionManager sessionManger = ((BasePage)this.Page).sessionManger;
if (sessionManger != null)
{
List<Response> responseList =
sessionManger.Get(sessionId + "&" + QualitativeAssessmentSessionManager.RESPONSE_LIST) as List<Response>;
if (responseList != null)
{
foreach (Response response in responseList.Where(resp => resp.questionId == questionId))
{
if (showCommentsAlways.Equals("Y")) // Check if comments text box has to be shown always for this question
{
if (bShowCommentsBox == false) divComments.Attributes.Add("style", "display:block;");
bShowCommentsBox = true;
displayType = "block";
}
else
{
if (bShowCommentsBox == false) divComments.Attributes.Add("style", "display:none;");
bShowCommentsBox = true;
displayType = "none";
}
if (response.commentsRequired.Equals("Y"))
{
//divComments.Attributes.Add("style", "display:block;");
displayType = "block";
if ((response.answeredId != 0))
{
divComments.Attributes.Add("style", "display:block;");
bShowCommentsBox = true;
}
}

if (txtComments != null && !String.IsNullOrEmpty(response.comments)) // If comments exist for this response, show the comments box
{
divComments.Attributes.Add("style", "display:block;");
bShowCommentsBox = true;
displayType = "block";
txtComments.Text = response.comments;
}

ListItem item = new ListItem();

item.Text = response.responseText;
item.Value = response.responseId.ToString();
//item.Selected = (response.answeredId != 0);

if (checkedNA != null && checkedNA.ToUpper().ToString() == "TRUE")
{
string sOptNA = item.Text.Remove(0, 1);

if (sOptNA.ToUpper().Contains(") NOT APPLICABLE"))
{
item.Selected = true;
txtComments.Text = Comments;
divComments.Attributes.Add("style", "display:block;");
displayType = "block";
bShowCommentsBox = true;
}
else
{
bool NAPresent = false;
foreach (
Response response1 in
responseList.Where(resp => resp.questionId == questionId))
{

string sOptNACheck = response1.responseText.Remove(0, 1);
if (sOptNACheck.ToUpper().Contains(") NOT APPLICABLE"))
{
NAPresent = true;
}
}
if (NAPresent == false)
{
item.Selected = (response.answeredId != 0);
}
}

}
else
{
item.Selected = (response.answeredId != 0);
}

item.Attributes.Add("onclick", "javascript:ShowHideComment('" +
divComments.ClientID + "','" + rfvComments.ClientID + "','" + response.commentsRequired.Equals("Y") +
"','" + displayType + "','" + rblResponses.ClientID + "');");
rblResponses.Items.Add(item);
}
}
}

#region "Set control as read only for Submitted/Approved status..."
if (IsReadOnly)
{
HtmlGenericControl divCommentsReadOnly =
((HtmlGenericControl)e.Item.FindControl("divCommentsReadOnly"));
if (divCommentsReadOnly != null)
divCommentsReadOnly.Attributes.Add("style", "display:block;");

Literal ltrCommentsReadOnly =
((Literal)e.Item.FindControl("ltrCommentsReadOnly"));
if (ltrCommentsReadOnly != null && txtComments != null && !string.IsNullOrEmpty(txtComments.Text))
ltrCommentsReadOnly.Text = "<u>Comments:</u><br />" + txtComments.Text;
if (divComments != null)
divComments.Attributes.Add("style", "display:none;");
if (rblResponses != null)
rblResponses.Enabled = false;
}
#endregion
}
}

protected void ddlcomment_SelectedIndexChanged1(object sender, EventArgs e)
{

try
{

foreach (RepeaterItem item in repQuestionnaire.Items)
{
DropDownList ddlcomment = item.FindControl("ddlcomment") as DropDownList;

if (!String.IsNullOrEmpty(ddlcomment.SelectedValue))
{
string comments = string.Empty;
UserControl UC_txtComments = ((UserControl)item.FindControl("txtComments"));
TextBox txtComments = ((TextBox)UC_txtComments.FindControl("txtMessage"));
if (txtComments != null)
txtComments.Text = hfddlcommentText.Value;
if (hfddlcomment.Value != null || hfddlcomment.Value != "")
{
if(hfddlcomment.Value != "Select")
ddlcomment.SelectedIndex = Convert.ToInt32(hfddlcomment.Value);
// ddlcomment.SelectedItem.Text = hfddlcommentText.Value;
}
else
{
ddlcomment.SelectedIndex = 0;
}
//if (comments != "" && comments.Length > 4000)
// throw new Exception("Error Comment-4000.$004: The length of comments is more than 4000. Please enter appropriate comment and try again");
//else if (comments != "" && comments.Length < 10)
// throw new Exception("Error Comment-4000.$004: The length of comments is less than 10. Please enter appropriate comment and try again");

//int responseId = Convert.ToInt32(rblResponses.SelectedValue);

}
}
}
catch (Exception ex)
{

}
}

}