Error : Index was outside the bounds of the array

Question

There is a problem in my code and i am not aware how to resolve this .

 

My Error is Index was outside the bounds of the array. when i am passing 1 or 2 value through query string it gives error. please help me and resolve my problem if anybody can.

 

Thnkx in adv.

GridViewRow gr = (GridViewRow)((Button)sender).NamingContainer;
string userid = gdvdetails.DataKeys[gr.RowIndex].Values[0].ToString();
string jobid = gdvdetails.DataKeys[gr.RowIndex].Values[1].ToString();
Response.Redirect("view_userprofile.aspx?cid=" + userid + "gid=" + jobid);
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
try
{
if (Request.QueryString["cid"].ToString() != "")
{
//string id = Request.QueryString["cid"].ToString();
var q1 = (Request.QueryString.ToString());
var qs = q1.Split('&');
var qs1 = (qs[0].Split('='));
hdfuserid.Value = qs1[1];
var qs2 = qs[1].Split('=');
hdfjobid.Value = qs2[1];
Session["vid"] = hdfjobid.Value.ToString();
SqlCommand cmd = new SqlCommand("select * from user_profile where uid='" + hdfuserid.Value + "'and jid='" + hdfjobid + "'", Con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
da.Fill(dt);
if (dt.Rows.Count > 0)
{
lblfname.Text = dt.Rows[0]["fname"].ToString();
lbllname.Text = dt.Rows[0]["lname"].ToString();
lbladdress.Text = dt.Rows[0]["address"].ToString();
lblfathername.Text = dt.Rows[0]["fathername"].ToString();
lblmothername.Text = dt.Rows[0]["mothername"].ToString();
lblfoccu.Text = dt.Rows[0]["foccu"].ToString();
lblmoccu.Text = dt.Rows[0]["moccu"].ToString();
lblmob.Text = dt.Rows[0]["mob"].ToString();
lblplace.Text = dt.Rows[0]["place"].ToString();
lbl10percen.Text = dt.Rows[0]["tenth"].ToString();
lblplustwo.Text = dt.Rows[0]["plustwo"].ToString();
lbldegree.Text = dt.Rows[0]["degree"].ToString();
lblkeyskill.Text = dt.Rows[0]["keyskills"].ToString();
lblexp.Text = dt.Rows[0]["exp"].ToString();
}
}
}
catch (Exception ex)
{
Response.Write("Error");
}
}
}