no value is sent to drop down

{
if (!this.IsPostBack)
{
this.BindGrid();
}

}



protected void btnSubmitQuery_Click(object sender, EventArgs e)
{
BindGrid();

}


private void BindGrid()
{

{ con = new SqlConnection(ConfigurationManager.ConnectionStrings["CrciketInsighterConnectionString"].ConnectionString);
SqlCommand cmd = new SqlCommand();
{
cmd.CommandText = "getBattingPlayersOA";
cmd.CommandType = CommandType.StoredProcedure;
int formatId = 0, resultId = 0, venueID = 0, teamID = 0;

#region Add Parameters
if (rdODI.Checked)
formatId = 2;
else if (rdT20.Checked)
formatId = 3;
else if (rdTest.Checked)
formatId = 1;

if (WonCheckBox.Checked) resultId = 1;
else if (LostCheckBox.Checked) resultId = 2;
else if (TiedCheckBox.Checked) resultId = 3;
else resultId = 4;

if (rdhome.Checked) venueID = 1;
else if (rdaway.Checked) venueID = 2;
else if (rdAll.Checked) venueID = 4;
else if (rdneutral.Checked) venueID = 3;
string name = "Pakistan";
// here no value is being assigned to a dropdown list .

if (ddTeam.SelectedItem.Value == name) teamID=6;

cmd.Parameters.AddWithValue("@resultId", resultId);
cmd.Parameters.AddWithValue("@venueId", venueID);
cmd.Parameters.AddWithValue("@genderId", 1);
//Error here team ID is not assigned cmd.Parameters.AddWithValue("@teamId",teamID);
cmd.Parameters.AddWithValue("@formatID", 1);

#endregion
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataSet ds = new DataSet())
{
sda.Fill(ds);
grdResult.DataSource = ds;
grdResult.DataBind();
}
}

}
}
}



protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
con.Open();
query = "select * from OA_PlayerBat where Team_ID ='" + ddTeam.SelectedItem + "'";
SqlCommand cmd = new SqlCommand(query, con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
ddTeam.DataSource = ds;
ddTeam.DataBind();
con.Close();
}
catch (Exception ex)
{
Response.Redirect(ex.Message);
}
}
}
}
Issues I am facing:

no value is being set to a drop-down list i have mentioned the lines where the errors are. kindly see if you can help me out in sorting this. Thanks