asp. net using check boxes in Repeater nested Repeater
- 2021-10-27 07:07:54
- OfStack
In the. aspx file:
<%-- Top floor Repeater--%>
<asp:Repeater ID="rptChannel" runat="server">
<itemtemplate>
<br /><b><%# Eval("ChannelName")%></b>
<%-- Nested Repeater, Specifies that the Releation To get the data source --%>
<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 Nested Repeater, Specifies that the Releation To get the data source --%>
</itemtemplate>
</asp:Repeater >
<%--end Top floor Repeater--%>
In the. aspx. cs file:
#region Repeater Nested Repeater Use check boxes in
// ★ Repeater Nesting - Classic application ★
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"];// Bind top layer Repeater (Note: As long as the top layer is bound, the nested layer cannot be bound.)
this.rptChannel.DataBind();
#endregion
// ..... Slightly related database operation code
#region Settings Repeater Nested Repeater The corresponding check box in is selected
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 Get Repeater Nested Repeater The combination of values selected by the check box in the , With "," Separate
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 != "")
{
// Remove the last 1 Characters
//str_Teamflag = str_Teamflag.Substring(0, str_Teamflag.Length - 1);
str_Teamflag = str_Teamflag.Remove(str_Teamflag.Length - 1);
}
#endregion