I get "error=Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index".

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C#

protected void gdvErrorlog_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        try
        {
            ErrorLogDetails delerror = new ErrorLogDetails();
            GridViewRow Row = (GridViewRow)gdvErrorlog.Rows[e.RowIndex];
            ErrorId = Convert.ToInt32(gdvErrorlog.DataKeys[e.RowIndex].Values["ErrorId"]);
            EID = Convert.ToInt32(ErrorId.ToString());
            delerror.UserName = username;
            delerror.ErrorID = EID;
            delerror.delerror();
            gdvErrorlog.EditIndex = -1;
            LoadErrorDetails();
            
        }
        catch(Exception ex)
        {
            
        }
    }

Posted 31-May-12 21:14pm

LALIT90

Updated 31-May-12 21:23pm

Herman<T>.Instance

v2

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Herman<T>.Instance 1-Jun-12 3:24am

on which line the exception is given?

4 solutions

Solution 4

Make your the user has selected a row.
If this error rises that probably means the code is triggered even though there is
no row selected at the time. So the index is -1.

Posted 31-May-12 22:24pm

pataoengineer

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OriginalGriff · Accepted Answer · 2012-05-31T21:25:00

You need to look at it in a bit more detail - it would appear that e.RowIndex is either negative (indicating no such row) or referencing an already deleted row.
Put a break point on the first line of the event handler, and see when it get fired. Is the value negative? Does it get fired more than one for a single delete operation?

Prosan · Accepted Answer · 2012-05-31T21:35:00

Solution 2

plesase check on which line is error coming. and check that what is the value of e.RowIndex. i think it is -1.

Posted 31-May-12 21:35pm

Prosan

Comments

LALIT018 2-Jun-12 17:07pm

ErrorId = Convert.ToInt32(gdvErrorlog.DataKeys[e.RowIndex].Values["ErrorId"]);
Sir in this line I am getting the error, Can you please suggest me how to code it properly.

Thanking You

Aparnashreenivas · Accepted Answer · 2012-05-31T21:40:00

Solution 3

first you need to check whether that data is in table or not...sometimes for empty table, it displays like the above error.

Posted 31-May-12 21:40pm

Aparnashreenivas