Hello ,

I have one gridview with location and check box i want to show selected location on the map but it dont show it still show all location on the map.

Please refere below image for understand what i am trying to say https://ibb.co/k18rPc

I am done following code for that

 protected void GrdLocation_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "select")
        {
            int ans = 0;
            for (int i = 0; i < GrdLocation.Rows.Count; i++)
            {
                if ((((CheckBox)GrdLocation.Rows[i].FindControl("ChkDel")).Checked) == true)
                {
                    ans = 1;
                    if (objData.StrDel == null || objData.StrDel == "")
                    {
                        objData.StrDel = (((Label)GrdLocation.Rows[i].FindControl("lblLocationId")).Text);
                    }
                    else
                    {
                        objData.StrDel = objData.StrDel + "," + (((Label)GrdLocation.Rows[i].FindControl("lblLocationId")).Text);
                    }
                }
            }
            DataSet ds1 = new DataSet();
            if (objData.StrDel != "" || objData.StrDel != null)
            {
                ds1=obj.GetLocationForRoutechecked(objData);
            }
            if (ans == 0)
            {
                msgbox("No Record Selected");
                //BindGv();
            }
            else
            {
                //BindGrid();
                rptMarkers.DataSource = ds1;
                rptMarkers.DataBind();
                ScriptManager.RegisterStartupScript(this, GetType(), "sab", "showGrid();map1();", true);
            }
        }
    }



    public DataSet GetLocationForRoutechecked(RouteDispatchMastObj obj)
    {
        DataSet ds = new DataSet();
        try
        {
            con.Open();
            cmd = new SqlCommand("[GetCheckedLocation]", con);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@SrNo", obj.StrDel);
            SqlDataAdapter da = new SqlDataAdapter(cmd);

            da.Fill(ds);
            cmd.Dispose();

        }
        catch (Exception ex)
        {
            throw;
        }
        finally
        {
            if (con.State != ConnectionState.Closed)
            {
                con.Close();
            }
            ds.Dispose();
        }
        return ds;
    }

What can i do?please help!!