TextBox 内容由弹出窗口选择返回的实现

在项目中很多时候Textbox 需要有弹出窗口来选择返回.这里简单介绍实现方式.

1.新建弹出选择窗口页面:

前台:

            <TABLE width="100%" align="center">
                <tr>
                    <td class="td" align="center">
                        <asp:TextBox id="txtSearchLike" runat="server" Width="254px"></asp:TextBox><asp:button id="btnSelect" runat="server" Width="70px" CssClass="button" Text="Select"></asp:button></td>
                </tr>
                <tr>
                    <td class="td" align="center" colSpan="2"><asp:listbox id="lbxResult" runat="server" Width="325px" Height="136px" SelectionMode="Multiple"></asp:listbox></td>
                </tr>
                <tr>
                    <td class="td" align="center">
                        <asp:button id="btnConfirm" runat="server" Width="70px" CssClass="button" Text="Confirm"></asp:button></td>
                </tr>
            </TABLE>

后台:

        private void btnSelect_Click(object sender, System.EventArgs e)
        {
            try
            {
                string SearchLike = this.txtSearchLike.Text.Trim();
                string col=Request.QueryString["SearchLike"];  //参数传入
                string org=Request.QueryString["org"];
                BindListBox(SearchLike,col,org);
            }
            catch(Exception ex)
            {

            }
        }
        public void BindListBox(string SearchLike,string col,string org)
        {
            try
            {

                ListBox 内容绑定
            }
            catch(Exception ex)
            {

            }
        }

private void btnConfirm_Click(object sender, System.EventArgs e)
        {
            try
            {
                string strScript="";
                string rtnValue="";
                
                for(int i=0;i<this.lbxResult.Items.Count;i++)
                {
                    if(this.lbxResult.Items[i].Selected)
                    {                           
                        string valueSelected=this.lbxResult.Items[i].Value;

                        if(valueSelected!="")
                        {
                            rtnValue += this.lbxResult.Items[i].Value + ",";
                        }
                    }
                }
                if(rtnValue=="")
                {
                    
                    rtnValue=",";
                    
                }

                strScript = "<script language = javascript>" +
                    "dialogArguments[0].value = '" + rtnValue.Remove(rtnValue.Length-1,1).Trim() + "';" +    
                    "window.close();" +
                    "</script>";   //返回值
                RegisterClientScriptBlock("e",strScript);
                return;
            }
            catch(Exception ex)
            {

            }
        }

页面使用:

前台: Textbox

<asp:textbox id="txtOrg" Runat="server" ReadOnly="True"></asp:textbox><input id="btnOrg" onclick="return GetOrgInfo();" type="button" value="V" name="btnOrg" runat="server">

JS:

  function GetOrgInfo()
  {
  
   var colname = "org";
   var url = "SearchForSupply.aspx?SearchLike="+colname+"&"+new Date().getTime()+"&org=";
   window.showModalDialog(url,[document.getElementById("txtOrg")],'dialogWidth:400px;dialogHeight:300px;status:no;help:no;scroll:no;menubar:no;resizable:yes');
  
   return true;
  }