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重点是：(contractCustomCompany LIKE '%" + this.txtcontractCustomCompany.Value + "%' or contractCustomCompany is null)示例：string sqlstrB = "select * from ViewFinaAmountwhere(contractCustomCompany LIKE '%" + this.txtcontractCustomCompany.Value + "%' or

前台：<div class="col-md-2"> <div class="input-group"> <span class="input-group-addon" id="AfEnduser2">省</span> <asp:DropDownList ID="DDLprovince" class="form-control" runat="ser...

&lt;asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="CateID"                AllowPaging="True" EmptyDataText="没有数据记录！！"                                OnP

 DB db = new DB();        string CategoryCode = this.inputLP.Value.Trim();        string cmdstr = "SELECT count(*) FROM [BomCateTec] where CategoryCode='" + CategoryCode + "'";        DataTable dt ...

            string mAtStyleNa = this.txtmAtName.Value.Trim();            int mAtStyleID = int.Parse(DDLtmAtStyleID.SelectedValue.ToString());            Decimal mAtdensity = Convert.ToDecimal(dEcmAt...

 DDLyNID.Items.Insert(0, "-请选择-");DDLtmAtStyleID.SelectedIndex == 0

1、&lt;script type="text/javascript"&gt;        var mydateInput = document.getElementById("aDate");        var date = new Date();        var dateString = date.getFullYear() + "/" + (date.getMonth() ...

1：SELECT * FROM 表名 where 日期字段 like date_format(now(),"%X/%U%") 2：前台：div class="form-search"&gt;                &lt;input class="input-medium search-query" type="text" ID="inputMatDcode" run

获取dropdownlist选中的值 DDLmatCSpecID.SelectedValue; 获取dropdownlist选中的文本 DDLmatCSpecID.SelectedItem.Text;

第一部份：前端代码：&lt;%@ Page Title="" Language="C#" MasterPageFile="MasterPageSys.master" AutoEventWireup="true" CodeFile="sysCustomCName.aspx.cs" Inherits="sysCustomCName" %&gt;&lt;asp:C