Seems a simple syntax error but need help.
protected void editback_Click(object sender, EventArgs e)
{
String EditStoryID = DropDownList3.SelectedItem.Value;
String EditProjectID = DropDownList1.SelectedItem.Value;
String EditRequirement = TextBoxBacklog.Text;
String EditLock = "0";
String connectionString = WebConfigurationManager.ConnectionStrings["ScrumString"].ConnectionString;
SqlConnection myConnection = new SqlConnection(connectionString);
myConnection.Open();
String query = "UPDATE product_backlog SET (project_id=@project_id,user_story=@user_story,is_locked=@is_locked) WHERE project_backlog.id = (@id)";
SqlCommand commandEdit = new SqlCommand(query, myConnection);
commandEdit.Parameters.AddWithValue("@project_id", EditProjectID);
commandEdit.Parameters.AddWithValue("@id", EditStoryID);
commandEdit.Parameters.AddWithValue("@user_story", EditRequirement);
commandEdit.Parameters.AddWithValue("@is_locked", EditLock);
commandEdit.ExecuteNonQuery();
Page.Response.Redirect(Page.Request.Url.ToString(), true);
Labelsuccess.Text = "User story has been updated";
TextBoxBacklog.Text = "";
}