asp.net在Repeater嵌套的Repeater中使用复选框详解
这篇文章主要介绍了asp.net在Repeater嵌套的Repeater中使用复选框,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧
.aspx文件中:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | <%--顶层Repeater--%> <asp:Repeater ID= "rptChannel" runat= "server" > <itemtemplate> <br /><b><%# Eval( "ChannelName" )%></b> <%--嵌套的Repeater,指定使用后台创建的Releation来获取数据源--%> <asp:Repeater ID= "rptClassify" DataSource= '<%# Eval("myrelation") %>' runat= "server" > <itemtemplate> <input type= "checkbox" id= "chk_FlagID" value= '<%# Eval("FlagID")%>' runat= "server" /> <asp:Label ID= "lbl_FlagName" runat= "server" Text= '<%# Eval("FlagName")%>' ></asp:Label> </itemtemplate> </asp:Repeater > <%--end 嵌套的Repeater,指定使用后台创建的Releation来获取数据源--%> </itemtemplate> </asp:Repeater > <%--end 顶层Repeater--%> |
.aspx.cs文件中:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #region Repeater嵌套的Repeater中使用复选框 //★Repeater嵌套-经典运用★ string sqlstr1, sqlstr2; sqlstr1 = "select distinct a.ChannelID,b.ChannelName from IE_FlagGroup a left join IE_Channel b on a.ChannelID=b.ChannelID where a.isClose=0 order by a.ChannelID asc" ; sqlstr2 = "select * from IE_FlagGroup where isClose=0 order by FlagID asc" ; DataSet dsChannel = DBFun.dataSetTwo(sqlstr1, "Channel" , sqlstr2, "Classify" , "myrelation" ); dsChannel.Relations.Add( "myrelation" , dsChannel.Tables[ "Channel" ].Columns[ "ChannelID" ], dsChannel.Tables[ "Classify" ].Columns[ "ChannelID" ], false ); this .rptChannel.DataSource = dsChannel.Tables[ "Channel" ]; //绑定顶层Repeater(注意:只要绑定顶层就好,嵌套层不能绑定) this .rptChannel.DataBind(); #endregion //……略相关数据库操作代码 #region 设置Repeater嵌套的Repeater中相应的复选框为选中状态 string [] selTeamflag = drw[ "Teamflag" ].ToString().Split( ',' ); HtmlInputCheckBox checkBox; Repeater rpClass; for ( int i = 0; i < this .rptChannel.Items.Count; i++) { rpClass = (Repeater) this .rptChannel.Items[i].FindControl( "rptClassify" ); for ( int j = 0; j < rpClass.Items.Count; j++) { checkBox = (HtmlInputCheckBox)rpClass.Items[j].FindControl( "chk_FlagID" ); if (selTeamflag.Contains(checkBox.Value)) checkBox.Checked = true ; } } #endregion #region 获取Repeater嵌套的Repeater中的复选框所选择的值的组合,以","隔开 string str_Teamflag = "" ; HtmlInputCheckBox checkBox; Repeater rpClass; for ( int i = 0; i < this .rptChannel.Items.Count; i++) { rpClass = (Repeater) this .rptChannel.Items[i].FindControl( "rptClassify" ); for ( int j = 0; j < rpClass.Items.Count; j++) { checkBox = (HtmlInputCheckBox)rpClass.Items[j].FindControl( "chk_FlagID" ); if (checkBox.Checked) str_Teamflag += checkBox.Value + "," ; } } if (str_Teamflag != "" ) { //去除最后一个字符 //str_Teamflag = str_Teamflag.Substring(0, str_Teamflag.Length - 1); str_Teamflag = str_Teamflag.Remove(str_Teamflag.Length - 1); } #endregion |
以上所述是小编给大家介绍的asp.net在Repeater嵌套的Repeater中使用复选框,希望对大家有所帮助