详解asp.net控件CheckBoxList的使用_.Net教程

2024-07-10 12:51:53

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推荐：解析TABLE导入到EXCEL
前台代码：ExportExcel1.aspx %@PageLanguage=C#AutoEventWireup=trueCodeFile=ExportExcel1.aspx.csInherits=ExportExcel1% EhtmlPUBLIC-//W3C//DTDXHTML1.0xhtml1-transitional.dtd ht

< asp:CheckBoxList ID = "cblJL" runat = "server" RepeatDirection="Horizontal" Width="100%">
    < asp:ListItem>当前记录asp:ListItem>
    < asp:ListItem>当前页asp:ListItem>
    < asp:ListItem>全部记录asp:ListItem>
< /asp:CheckBoxList>

后台3种方式：
第一种：获得CheckBox的值
C#代码
string save_cblJL = "";

for (int i = 0; i < this.cblJL.Items.Count; i++)
{
    if (this.cblJL.Items[i].Selected == true)
    {
         save_cblJL += this.cblJL.Items[i].Value + ",";
    }
}
Response.Write(save_cblJL);
string save_cblJL = "";
for (int i = 0; i < this.cblJL.Items.Count; i++)
{
if (this.cblJL.Items[i].Selected == true)
{
  save_cblJL += this.cblJL.Items[i].Value + ",";
}
}
Response.Write(save_cblJL);

第二种：获得CheckBox的值
C#代码
string str_Save_cblJL = "";
foreach (ListItem li in cblJL.Items)
{
   if (li.Selected == true)
    {
         str_Save_cblJL += li.Value + ",";
     }
}
Response.Write(str_Save_cblJL);
string str_Save_cblJL = "";
foreach (ListItem li in cblJL.Items)
{
if (li.Selected == true)
{
  str_Save_cblJL += li.Value + ",";
}
}
Response.Write(str_Save_cblJL);
第三种：从后台给前台CheckBox赋值
C#代码
string strapp = "当前记录,当前页,全部记录,";
string[] strtemp = strapp.Split(’,’);
foreach (string str in strtemp)
{
   for (int i = 0; i < cblJL.Items.Count; i++)
     {
        if (this.cblJL.Items[i].Value == str)
        {
           this.cblJL.Items[i].Selected = true;
         }
     }
}

分享：解析ASP.NET页面数据导出到Excel或Word
privatevoidbtnMIME_Click(objectsender,System.EventArgse) { BindData(); Response.ContentType=application/vnd.ms-Excel; Response.AddHeader(Content-Disposition,inline;filename= +HttpUtility.UrlEncode(下载文件.xls,Encoding.UTF8)); //如

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