[英]How to Visible textbox from datalist
I want to visible and invisible my textbox and label from my datalist. 我想从数据列表中看到和隐藏我的文本框和标签。 My datalist is fulfill with checkboxes. 我的数据列表带有复选框。 so, i mean i have many checkbox that integrated to database. 所以,我的意思是我有很多集成到数据库的复选框。
I have 2 main data. 我有2个主要数据。 1 as the Header and 1 as the subHeader, every subHeader has many checkboxes called access. 1作为Header,1作为subHeader,每个subHeader都有许多复选框,称为access。 every access has id_access(i save it into HiddenField 'id_access') and every Header has id_jenis (i save it into HiddenField 'id_jenis_access'). 每个访问都有id_access(我将其保存到HiddenField'id_access'),每个标头都有id_jenis(我将其保存到HiddenField'id_jenis_access')。 if the access (checkbox text) show 'Others' (id_access = 'ACT5') and the Header show 'Others' (id_jenis = 'JO1') then the label Reaseon and Discribtion with their textbox will show up. 如果访问权限(复选框文本)显示为'Others'(id_access ='ACT5'),并且标头显示为'Others'(id_jenis ='JO1'),则标签Reaseon和Discribtion及其文本框将显示。 but i have problem. 但是我有问题。
this is my form 这是我的表格
<asp:DataList ID="DataListTest" runat="server" OnPreRender="PreTes">
<ItemTemplate>
<table cellpadding="0" cellspacing="0">
<tr>
<td>
<asp:Label ID="lblHeader" runat="server"></asp:Label> <!-- Telephone, Bussines System -->
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblsubheader" runat="server" /></td> <!-- Oracle, EPM, CRM (Muncul di Form) -->
</tr>
<tr>
<td>
<asp:HiddenField ID="id_jenis_access" runat="server" Value='<%Eval(idJenisAccess) %>' /> <!-- Output = JT1, JO1, JBS1 (ID_JENIS) -->
<asp:HiddenField ID="subhd" runat="server" Value='<%# Eval("sub_jenis") %>' /> <!-- Oracle, EPM, CRM (nama sub jenis) -->
<asp:HiddenField ID="id_access" runat="server" Value='<%# Eval("id_access") %>' /><!-- Output = ACT5, ACBS1 -->
<asp:HiddenField ID="hd" runat="server" Value='<%# Eval("nama_jenis") %>' /><!-- Output = Telephone, Bussines System -->
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="cbCountryName" runat="server" Text='<%# Eval("nama_access") %>' /> <!-- Output = Local, Handphone, Project -->
<asp:TextBox ID="testme" runat="server" Text="" Visible="false" /> <!-- Output = Textbox for all -->
</td>
</tr>
<tr>
<td><asp:Label ID="lblReason" runat="server" Visible="false" text="Reason : "/>
<asp:TextBox ID="txtReason" Text="Reason" runat="server" Visible="false" />
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblDescription" runat="server" Visible="false" text="Description : "/>
<asp:TextBox ID="txtDescription" runat="server" Text="" Visible="false" />
</td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
this is my code to call all my data from database 这是我的代码,用于从数据库中调用我的所有数据
private void ShowDataList()
{
conn.Open();
string sql = "Select access.id_access as 'id_access', access.nama_access, jenis_access.id_jenis_access as 'idJenisAccess' , "+
"jenis_access.nama_jenis_access as 'nama_jenis', sub_jenis.nama_sub_jenis as 'sub_jenis',sub_jenis.id_sub_jenis "+
"FROM access LEFT JOIN detil_access ON access.id_access = detil_access.id_access "+
"LEFT JOIN jenis_access ON detil_access.id_jenis_access = jenis_access.id_jenis_access "+
"LEFT JOIN sub_jenis ON detil_access.id_sub_jenis = sub_jenis.id_sub_jenis "+
"ORDER BY jenis_access.id_jenis_access";
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataAdapter adp = new SqlDataAdapter(cmd);
dt = new DataTable();
adp.Fill(dt);
DataListTest.DataSource = dt;
DataListTest.DataBind();
}
My problem is my lblReason, txtReason, lblDescribtion, and txtDescription is cannot show. 我的问题是我的lblReason,txtReason,lblDescribtion和txtDescription无法显示。 this is my code on PreRender datalist, i called it PreTes. 这是我在PreRender数据列表上的代码,我称之为PreTes。
protected void PreTes(object sender, EventArgs e)
{
string temp = "";
string subtemp ="";
foreach (DataListItem item in DataListTest.Items)
{
Label objLabel = (Label)item.FindControl("lblHeader");
Label subjenis = (Label)item.FindControl("lblsubheader");
TextBox t = (TextBox)item.FindControl("testme");
CheckBox objName = (CheckBox)item.FindControl("cbCountryName"); // Internet, User Folder, etc (the Access)
HiddenField objHD = (HiddenField)item.FindControl("hd"); // Telephone, Busines System
HiddenField subobjHD = (HiddenField)item.FindControl("subhd"); // Oracle, CRM , EPM
HiddenField id_access = (HiddenField)item.FindControl("id_access"); // ACT5, ACBS1, etc (code Access)
HiddenField id_jenis = (HiddenField)item.FindControl("hdIdJenisAccess"); // JTO1, JBS1, etc (code Jenis)
TextBox tr = (TextBox)item.FindControl("txtReason");
TextBox td = (TextBox)item.FindControl("txtDescription");
Label lblReason = (Label)item.FindControl("lblReason");
Label lblDescription = (Label)item.FindControl("lblDescription");
if (temp != objHD.Value)
{
temp = objHD.Value;
objLabel.Text = temp + "<br/>";
}
if (subtemp != subobjHD.Value)
{
subtemp = subobjHD.Value;
subjenis.Text = subtemp + "<br/>";
}
if (id_access.Value == "ACT5" && id_jenis.Value == "JO1")
{
lblDescription.Visible = true;
td.Visible = true;
lblReason.Visible = true;
tr.Visible = true;
}
}
So, What should I do ? 所以我该怎么做 ?
FYI:i'm a newbie here and also c# programmer 仅供参考:我是这里的新手,也是C#程序员
after : HiddenField id_access = (HiddenField)item.FindControl("id_access");
之后: HiddenField id_access = (HiddenField)item.FindControl("id_access");
add; 加; var value_id_access = id_access.Text;
some things for other values 一些其他价值的东西
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