Hello Guys !!
I have already asked the same question but now I am again asking with the new requirement, so please read carefully and solve my issues.
My Requirement:
Explaining my Requirement
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="N-level-Treeview.aspx.cs"
Inherits="N_level_Treeview" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" ImageSet="XPFileExplorer" NodeIndent="15">
<HoverNodeStyle Font-Underline="True" ForeColor="#6666AA" />
<NodeStyle Font-Names="Tahoma" Font-Size="8pt" ForeColor="Black" HorizontalPadding="2px"
NodeSpacing="0px" VerticalPadding="2px"></NodeStyle>
<ParentNodeStyle Font-Bold="False" />
<SelectedNodeStyle BackColor="#B5B5B5" Font-Underline="False" HorizontalPadding="0px"
VerticalPadding="0px" />
</asp:TreeView>
</div>
</form>
</body>
</html>?
: - I have a table and there are Srno,PId, Pname, CID, CName,Cqty columns in my table.
Suppose if CID is also in PID column, Node must be created on that CID and also must have expand button to show the child of that cID.
What i have done in coding let's see...
CS--------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
public partial class N_level_Treeview : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = this.GetData("SELECT cId, cName FROM TopBill");
this.PopulateTreeView(dt, 0, null);
}
}
private void PopulateTreeView(DataTable dtParent, int parentId, TreeNode treeNode)
{
foreach (DataRow row in dtParent.Rows)
{
TreeNode child = new TreeNode
{
Text = row["cName"].ToString(),
Value = row["cId"].ToString()
};
if (parentId == 0)
{
TreeView1.Nodes.Add(child);
DataTable dtChild = this.GetData("SELECT srNo,cid, cName FROM TopBill WHERE pid = " + child.Value);
PopulateTreeView(dtChild, int.Parse(child.Value), child);
}
else
{
treeNode.ChildNodes.Add(child);
}
}
}
private DataTable GetData(string query)
{
DataTable dt = new DataTable();
string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
using (SqlConnection con = new SqlConnection(constr))
{
using (SqlCommand cmd = new SqlCommand(query))
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.CommandType = CommandType.Text;
cmd.Connection = con;
sda.SelectCommand = cmd;
sda.Fill(dt);
}
}
return dt;
}
}
}
-------------- Current Output of my Code is ...
...
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Thanks
...I have created a new empty ASP.NET web-forms project using Visual Studio, after adding the new .aspx (web-form) file with the RegularExpressionValidator code as shown below, I am getting an error "WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive)."
Here is the code of my Web-Form page(Default.aspx)
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="EmailIdValidate.Default" %>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Your email: " + TextBox1.Text.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Validate email address using RegularExpressionValidator in ASP.NET</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Red">RegularExpressionValidator: email</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Bold="true"
Font-Italic="true"
Font-Size="Large"
ForeColor="SeaGreen"
>
</asp:Label>
<br /><br />
<asp:Label ID="Label2" runat="server" Text="Email">
</asp:Label>
<asp:TextBox ID="TextBox1" runat="server" >
</asp:TextBox>
<asp:RequiredFieldValidator
ID="RequiredFieldValidator1"
runat="server"
ControlToValidate="TextBox1"
Text="*"
>
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator1"
runat="server"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
ControlToValidate="TextBox1"
ErrorMessage="Input valid email address!"
>
</asp:RegularExpressionValidator>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="Submit email"
Font-Bold="true"
ForeColor="DodgerBlue"
OnClick="Button1_Click"
/>
</div>
</form>
</body>
</html>
When building the project and running it browser getting error details as shown below
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Method arguments are not valid! See ValidationErrors for detailsHere is the image of the error
...