find按钮简化代码：PrdMtnJOb

find按钮简化代码：PrdMtnJOb 
页面：<script  type="text/javascript" language="JavaScript" src="../../JS/FindCode.js"></script>
 TextBox tbCode = (TextBox)FormView1.FindControl("txtJobNo");
            if (tbCode == null) return;
     
            TextBox txtBox;
            txtBox= (TextBox)FormView1.FindControl("txtCustNo");
            Button btn;
            btn = (Button)FormView1.FindControl("btnCustomer");
            strURL = "'../Common/CommonFindCustomer.aspx'";
            if (txtBox != null && btn != null)
            {
                btnClientId = btn.ClientID;
                txtClietnId = txtBox.ClientID;
                btn.Attributes.Add("onclick", "FindCode(" + btnClientId + ",'" + txtClietnId + "'," + strURL + ")");

            }

            txtBox = (TextBox)FormView1.FindControl("txtOrderNo");
            btn = (Button)FormView1.FindControl("btnOrder");
            strURL = "'../Common/CommonFindSO.aspx'";
            if (txtBox != null && btn != null)
            {
                btnClientId = btn.ClientID;
                txtClietnId = txtBox.ClientID;
                btn.Attributes.Add("onclick", "FindCode(" + btnClientId + ",'" + txtClietnId + "'," + strURL + ")");

            }