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Object datasource and Querystring roblem

Posted on 2006-07-09
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Last Modified: 2008-02-01
Hello experts,

I am having trouble assigning a querystring value to a business object parameter.when I do the following;-

<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetGalleryImagesByID"
                TypeName="FixedAuctions.AuctionsDB">
                <SelectParameters>
                    <asp:QueryStringParameter DefaultValue="-1" Name="GalleryID" QueryStringField="GALLERYID"
                        Type="Int32" />
                </SelectParameters>
            </asp:ObjectDataSource>
I get error;-



Input string was not in a correct format.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +2753603
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +102
   System.String.System.IConvertible.ToInt32(IFormatProvider provider) +43
   System.Convert.ChangeType(Object value, TypeCode typeCode, IFormatProvider provider) +293
   System.Web.UI.WebControls.Parameter.GetValue(Object value, String defaultValue, TypeCode type, Boolean convertEmptyStringToNull, Boolean ignoreNullableTypeChanges) +264
   System.Web.UI.WebControls.Parameter.get_ParameterValue() +66
   System.Web.UI.WebControls.ParameterCollection.GetValues(HttpContext context, Control control) +254
   System.Web.UI.WebControls.ObjectDataSourceView
 


I f I change the follwoing line;-

<asp:QueryStringParameter DefaultValue="-1" Name="GalleryID" QueryStringField="GALLERYID"
                        Type="Int32" />


to-
<asp:QueryStringParameter DefaultValue="1" Name="GalleryID"
                        Type="Int32" />

everything works fine.

I am using the code in a popup that is called in a javascript function like so;-

HyperLink HyperLink1 = (HyperLink)DataList1.Items[i].FindControl("HyperLink1");
                HyperLink1.Attributes.Add("onclick", "window.open('popup.aspx?IMAGEID=IMAGEID',null,'height=550, width=650,status= no, resizable= no, scrollbars=no, toolbar=no,location=no,menubar=no ');");

I can't seem to find what am missing
0
Comment
Question by:claracruz
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6 Comments
 
LVL 27

Expert Comment

by:Sammy
ID: 17071406
without looking deeper into your code, you have
<asp:QueryStringParameter DefaultValue="-1" Name="GalleryID" QueryStringField="GALLERYID" Type="Int32" />
and your link doesnt have a querystring GALLERYID, instead it has a Querystring IMAGEID

0
 
LVL 4

Author Comment

by:claracruz
ID: 17075176
Hi there,

I had to change this;-


HyperLink1.Attributes.Add("onclick", "window.open('popup.aspx?IMAGEID=IMAGEID',null,'height=550, width=650,status= no, resizable= no, scrollbars=no, toolbar=no,location=no,menubar=no ');");
to

 HyperLink1.Attributes.Add("onclick", "window.open('popup.aspx?IMAGEID="+IMAGEID+",null,'height=550, width=650,status= no, resizable= no, scrollbars=no,

IE.
IMAGEID=IMAGEID'

to

IMAGEID="+IMAGEID+",
0
 
LVL 27

Expert Comment

by:Sammy
ID: 17078318
Did it work after the change or got the same error?

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LVL 4

Author Comment

by:claracruz
ID: 17088099
problem solved with above change
0
 
LVL 27

Expert Comment

by:Sammy
ID: 17088150
Great, close the question please.
0
 
LVL 5

Accepted Solution

by:
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