Enable Disable TextBox based on another inside ListView using jQuery in ASP.Net

Hi nauna,

Check this sample. now take its reference and correct your code.

HTML

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
    function CheckDebitCredit(ele) {
        var debit = $(ele).closest('div.row').find('[id*=txtDebit]');
        var credit = $(ele).closest('div.row').find('[id*=txtCredit]');
        if ($(ele).val() != '') {
            if ($(ele).attr('id') == $(debit).attr('id')) {
                $(credit).attr('readonly', 'readonly');
            } else if ($(ele).attr('id') == $(credit).attr('id')) {
                $(debit).attr('readonly', 'readonly');
            }
        } else if ($(ele).attr('id') == $(debit).attr('id')) {
            $(credit).removeAttr('readonly');
        } else if ($(ele).attr('id') == $(credit).attr('id')) {
            $(debit).removeAttr('readonly');
        }
    }
</script>
<div>
    <div class="form-group padding10">
        <div class="row ">
            <div class="col-md-3 padding5">Account</div>
            <div class="col-md-4 padding5">Description</div>
            <div class="col-md-2 padding5 right">Debit</div>
            <div class="col-md-2 padding5 right">Credit</div>
            <div class="col-md-1 padding5">
            </div>
        </div>
        <asp:ListView ID="ListView1" runat="server">
            <ItemTemplate>
                <asp:Label ID="lblId" runat="server" Text='<%#Eval("ID") %>' Visible="true"></asp:Label>
                <div class="row ">
                    <div class="col-md-4 padding5">
                        <asp:TextBox ID="txtDescription" runat="server" Text='<%#Eval("Description") %>'></asp:TextBox></div>
                    <div class="col-md-2 padding5">
                        <asp:TextBox ID="txtDebit" runat="server" Text='<%#Eval("Debit") %>' placeholder="Debit"
                            onkeyup="CheckDebitCredit(this);"></asp:TextBox>
                        <asp:TextBox ID="txtCredit" runat="server" Text='<%#Eval("Credit") %>' placeholder="Credit"
                            onkeyup="CheckDebitCredit(this);"></asp:TextBox>
                    </div>
                    <div class="col-md-1 padding5">
                        <asp:LinkButton ID="LinkButton4" runat="server" CommandName="del" OnClientClick="return confirm('Are you sure you want to delete ?')"><i class="fas fa-times margin10 grey-c"></i></asp:LinkButton>
                    </div>
                </div>
            </ItemTemplate>
        </asp:ListView>
    </div>
</div>

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        System.Data.DataTable dt = new System.Data.DataTable();
        dt.Columns.AddRange(new System.Data.DataColumn[] { 
                    new System.Data.DataColumn("Id", typeof(int)),
                    new System.Data.DataColumn("Description", typeof(string)),
                    new System.Data.DataColumn("Debit",typeof(string)),
                    new System.Data.DataColumn("Credit",typeof(string)) });
        dt.Rows.Add(1, "Description 1", "", "");
        dt.Rows.Add(2, "Description 2", "", "");
        ListView1.DataSource = dt;
        ListView1.DataBind();
    }
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        Dim dt As System.Data.DataTable = New System.Data.DataTable()
        dt.Columns.AddRange(New System.Data.DataColumn() {
                            New System.Data.DataColumn("Id", GetType(Integer)),
                            New System.Data.DataColumn("Description", GetType(String)),
                            New System.Data.DataColumn("Debit", GetType(String)),
                            New System.Data.DataColumn("Credit", GetType(String))})
        dt.Rows.Add(1, "Description 1", "", "")
        dt.Rows.Add(2, "Description 2", "", "")
        ListView1.DataSource = dt
        ListView1.DataBind()
    End If
End Sub