forum

home / developersection / forums / dynamic textbox in gridview

Ask Question

Dynamic TextBox in GridView

Manish Pandey 2274 28-Nov-2014
Hello Frnds
I want to add textboxes in GridView dynamically
and want to fetch entered value on button click
How should i do it ??
.net c# 
Updated on 29-Nov-2014
Manish Pandey

Other

Message
Can you answer this question?
Answer

1 Answers

Anonymous User

Anonymous User

29-Nov-2014
hi try this code:

Default.aspx code:

<asp:gridview ID="Gridview1" runat="server" ShowFooter="true" AutoGenerateColumns="false" onrowcreated="Gridview1_RowCreated" OnSelectedIndexChanged="Gridview1_SelectedIndexChanged">
            <Columns>
            <asp:BoundField DataField="RowNumber" HeaderText="Row Number" />
            <asp:TemplateField HeaderText="Header
1">
                <ItemTemplate>
                    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Header
2">
                <ItemTemplate>
                    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Header
3">
                <ItemTemplate>
                     <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
                </ItemTemplate>
                <FooterStyle HorizontalAlign="Right" />
                <FooterTemplate>
                 <asp:Button ID="ButtonAdd" runat="server" Text="Add New Row" onclick="ButtonAdd_Click" />
                </FooterTemplate>
            </asp:TemplateField>
            </Columns>
        </asp:gridview>

Default.aspx.cs  Code:

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Specialized;
using System.Text;
using System.Data.SqlClient;
 
public partial class GridViewWithTextBoxes : System.Web.UI.Page
{
    private void SetInitialRow()
    {
        DataTable dt = new DataTable();
        DataRow dr = null;
        dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));
        dt.Columns.Add(new DataColumn("Column1", typeof(string)));
        dt.Columns.Add(new DataColumn("Column2", typeof(string)));
        dt.Columns.Add(new DataColumn("Column3", typeof(string)));
        dr = dt.NewRow();
        dr["RowNumber"] = 1;
        dr["Column1"] = string.Empty;
        dr["Column2"] = string.Empty;
        dr["Column3"] = string.Empty;
        dt.Rows.Add(dr);
        ViewState["CurrentTable"]
= dt;
 
        Gridview1.DataSource = dt;
        Gridview1.DataBind();
    }
 
    private void AddNewRowToGrid()
    {
        int rowIndex = 0;
 
        if (ViewState["CurrentTable"] != null)
        {
            DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
            DataRow drCurrentRow = null;
            if (dtCurrentTable.Rows.Count > 0)
            {
                for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)
                {
                    TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");
                    TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[2].FindControl("TextBox2");
                    TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[3].FindControl("TextBox3");
 
                    drCurrentRow =
dtCurrentTable.NewRow();
                    drCurrentRow["RowNumber"] = i +
1;
                    drCurrentRow["Column1"] =
box1.Text;
                    drCurrentRow["Column2"] =
box2.Text;
                    drCurrentRow["Column3"] =
box3.Text;
 
                    rowIndex++;
                }
               
dtCurrentTable.Rows.Add(drCurrentRow);
                ViewState["CurrentTable"]
= dtCurrentTable;
 
                Gridview1.DataSource =
dtCurrentTable;
                Gridview1.DataBind();
            }
        }
        else
        {
            Response.Write("ViewState is null");
        }
 
        SetPreviousData();
    }
 
    private void SetPreviousData()
    {
        int rowIndex = 0;
        if (ViewState["CurrentTable"] != null)
        {
            DataTable dt = (DataTable)ViewState["CurrentTable"];
            if (dt.Rows.Count > 0)
            {
                for (int i = 1; i < dt.Rows.Count; i++)
                {
                    TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");
                    TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[2].FindControl("TextBox2");
                    TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[3].FindControl("TextBox3");
 
                    box1.Text = dt.Rows[i]["Column1"].ToString();
                    box2.Text = dt.Rows[i]["Column2"].ToString();
                    box3.Text = dt.Rows[i]["Column3"].ToString();
 
                    rowIndex++;
 
                }
            }
 
        }
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            SetInitialRow();
        }
    }
    protected void ButtonAdd_Click(object sender, EventArgs e)
    {
        AddNewRowToGrid();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        int rowIndex = 0;
        StringCollection sc = new StringCollection();
        if (ViewState["CurrentTable"] != null)
        {
            DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
            if (dtCurrentTable.Rows.Count > 0)
            {
                for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)
                {
                    TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");
                    TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[2].FindControl("TextBox2");
                    TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[3].FindControl("TextBox3");
    
                    sc.Add(box1.Text + "," +
box2.Text + "," + box3.Text);
                    rowIndex++;
                }
            }
        }
    }
 
    protected void Gridview1_RowCreated(object sender, GridViewRowEventArgs e)
    {
 
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            Label l = (Label)e.Row.FindControl("Label1");
            if (l != null)
            {
                string script = "window.open('Default.aspx');";
                l.Attributes.Add("onclick",
script);
            }
        }
    }
    protected void Gridview1_SelectedIndexChanged(object sender, EventArgs e)
    {
 
    }
}
advertising
advertising

Liked By

We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy