error when dropdown value selectd

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hi,
i have a drop down list in my aspx page.in that i have selected the value like "abc's"
the i am getting the below error.

sys.WebForms.PageRequestManagerParserErrorException:The Message received from the server could not be parsed.Common Causse for this error are when the response is modified by calls to Response,Write(),response filters,HTTPModules,or Server trace is enables.

Details:Error parsing near'
<!DOCTYPE html P'.

my output should be one more dropdown should be display based on selection.

if i select "abc"s" it is not giving above error and populating other drop down list which is correct.

Posted 9-Sep-13 0:38am

kanna443

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Comments

Zubair Alie 9-Sep-13 7:01am

you might have some issue running with your definitions...
See

<!DOCUMENTTYPE html.......

Copy and paste your page headers inside your question area. it seems you are misplacing something there.

kanna443 13-Sep-13 4:54am

Thanks for your suggestion.
they used following page headers.
Calendar JS/xc2_default.js
Calendar JS/xc2_inpage.js
Calendar JS/xc2_default.css
App_themes/jquery-latest.js

and ajax tool kit also

kanna443 13-Sep-13 6:00am

code:

asp:-

<asp:DropDownList ID="ddHT" TabIndex="14" runat="server" Width="250px" AutoPostBack="true" OnSelectedIndexChanged="ddHT_SelectedIndexChanged" onchange="showMsg=false;showCategory('TYPE');">

function showCategory(strDDType)
{

var SelectedTypeVal = $get('<%=ddHT.ClientID %>').options[IndexValue].text;
}

//the above said error occurs before going to .cs page change event.
it is working fine when my drop down value like " abc"s ".means some thing is stopping when the drop down value having ' (Apostrophe)
//note:- i m not using selected text in my aspx page.only using my index(id of selected value).
aspx.cs:-

protected void ddHT_SelectedIndexChanged(object sender, EventArgs e)
{
HType objHTYpe = new HType();
if (ddHT.SelectedIndex != 0)
{

int HTypeId = Convert.ToInt32(ddHT.SelectedValue);
}

}

Appreciate any help :)

kanna443 13-Sep-13 12:43pm

problem is coverting replace the function in Page_Load()

List.RowFilter = "Type = '" + ddHType.SelectedItem.Text.Replace(" ' ", "") + " ' ";

Issue resolved.

thanks

2 solutions

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**NAGARAJ N MACHAKNUR** · Answer 1 · 2013-09-09T00:45:00

Solution 1

Hi,
Please refer below link :
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/8ad28654-cc4b-4e52-b12c-2faff90a1a90/special-characters-in-a-dropdown-list[^]

Posted 9-Sep-13 0:45am

NAGARAJ N MACHAKNUR

Comments

kanna443 13-Sep-13 4:57am

thanks but my problem is not from database. i m getting popup error before fire the dropdown "onchange" event in aspx.cs

Salman622 · Answer 2 · 2013-09-09T00:59:00

try this hope this will help you

public DataTable fill(string query)
{
con.Open();
SqlDataAdapter adap = new SqlDataAdapter(query, con);
DataTable dt = new DataTable();
adap.Fill(dt); con.Close();
return (dt);
}

public DataTable Brand_Name(string group)
{
string query = "Select distinct Brand_Name from Brand_Master where Group_Name='"+group +"'";
DataTable dt = fill(query);
return dt;
}

C#

protected void Group_Name_SelectedIndexChanged(object sender, EventArgs e)
       {
           string group = Group_Name.Text;
           DataTable dt =Brand_Name(group);
           Brand_Name.Items.Clear();
           Brand_Name.Items.Add("--Select--");

           for (int i = 0; i < dt.Rows.Count; i++)
           {
               Brand_Name.Items.Add(dt.Rows[i]["Brand_Name"].ToString());
           }
       }