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How to add a new row in gridview after selecting controls outside of the gridview?

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User370858843 posted

Hi, I would like to get radiobuttonlist selectedvalue, checkboxlist checked value, etc. (those controls are outside of the gridview) and display as a new gridview row. At the footer, I have a "Add New" button to add new row. How do I do this? It is very easy to do with Listbox control, all I need to do is use ListBox.Items.Add() method. Please advice!

Tuesday, November 14, 2017 4:28 PM

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User-1838255255 posted

Hi jzhou819,

According to your description and needs, i make a sample through your needs, here is the complete sample code:

Sample Code:

<body>
    <form id="form1" runat="server">
        <div>
            <asp:TextBox ID="tb" runat="server"></asp:TextBox>
            <asp:RadioButtonList ID="rbl" runat="server">
                <asp:ListItem>Red</asp:ListItem>
                <asp:ListItem>Yellow</asp:ListItem>
                <asp:ListItem>Blue</asp:ListItem>
            </asp:RadioButtonList>
            <asp:CheckBoxList ID="cbl" runat="server">
                <asp:ListItem>shoes</asp:ListItem>
                <asp:ListItem>trousers</asp:ListItem>
                <asp:ListItem>jackets</asp:ListItem>
            </asp:CheckBoxList>
            <asp:GridView ID="GridView1" runat="server" CssClass="Grid" AutoGenerateColumns="false"
                EmptyDataText="No records has been added.">
                <Columns>
                    <asp:BoundField DataField="tbvalue" HeaderText="tbvalue" ItemStyle-Width="120" />
                    <asp:BoundField DataField="Color" HeaderText="Color" ItemStyle-Width="120" />
                    <asp:BoundField DataField="Type" HeaderText="Type" ItemStyle-Width="120" />
                </Columns>
            </asp:GridView>
            <asp:Button ID="insert" runat="server" Text="Add New Row" OnClick="insert_Click" />
        </div>
    </form>
</body>
protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                DataTable dt = new DataTable();
                dt.Columns.AddRange(new DataColumn[3] { new DataColumn("tbvalue"), new DataColumn("Color"), new DataColumn("Type") });
                ViewState["Customers"] = dt;
                this.BindGrid();
            }
        }

        protected void BindGrid()
        {
            GridView1.DataSource = (DataTable)ViewState["Customers"];
            GridView1.DataBind();
        }

        protected void insert_Click(object sender, EventArgs e)
        {
            DataTable dt = (DataTable)ViewState["Customers"];
            var value1 = tb.Text.Trim();
            var value2 = rbl.SelectedValue;
            var value3 = cbl.SelectedValue;
            dt.Rows.Add(value1, value2, value3);
            ViewState["Customers"] = dt;
            this.BindGrid();
            tb.Text = string.Empty;
        }

Result:

Best Regards,

Eric Du

Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM

Wednesday, November 15, 2017 6:57 AM

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