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GridView pass parameter in url and use in another page
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        e.Row.Attributes["onmouseover"] = "this.style.color='Black';this.style.cursor='hand';";
        e.Row.Attributes["onmouseout"] = "this.style.color='Black';";
        e.Row.Attributes["onclick"] = "window.navigate('NavigatedPage.aspx?id=" + e.Row.Cells[0].Text.ToString().Trim() + "')";
    }
}

string id =Request.QueryString["id"];

Request.QueryString["name"]

string GetQueryStringVarible(string name, string defaultValue)
{
  if(!string.IsNullOrEmpty(Request.QueryString[name])
  {
    return Request.QueryString[name];
  }
  else
  {
    return defaultValue;
  }
}