This article has been
excerpted from book "A Programmer's Guide to ADO.NET in C#".
You can even create a table and add its cells and cell values programmatically.
First, create a table using the <asp:Table> tag and then add rows to it(see
Listing 7-27).
Listing 7-27. Creating a table's rows programmatically
<%@ Page
Language="C#"
AutoEventWireup="true"
CodeBehind="Default.aspx.cs"
Inherits="Creatingtableprogrammatically._Default"
%>
<!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>Untitled
Page</title>
</head>
<body>
<form
id="form1"
runat="server">
<div>
<asp:Table
ID="table1"
runat="server"
Height="114"
Width="439"
BackColor=Aqua>
<asp:TableRow>
</asp:TableRow>
<asp:TableRow>
</asp:TableRow>
<asp:TableRow>
</asp:TableRow>
<asp:TableRow>
</asp:TableRow>
<asp:TableRow>
</asp:TableRow>
</asp:Table>
</div>
</form>
</body>
</html>
Now you add cells and their values at run-time using the TableRow and TableCell
class object (see Listing 7-28).
Listing 7-28. Adding table rows and cells programmatically
int rows = 3;
int cols = 2;
for (int
j = 0; j < rows; j++)
{
TableRow r =
new TableRow();
for (int
i = 0; i < cols; i++)
{
TableCell c =
new TableCell();
c.Controls.Add(new
LiteralControl("row
" + j.ToString() + ", cell " +
i.ToString()));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
The example you saw in Listing 7-28 creates a table with three rows and two
columns. You can also add rows and columns to a table programmatically. This
program, which looks like Figure 7-58, adds rows and columns to a table at
run-time based on the values entered in the text boxes. You create a Web
application and add a control, two labels, and two text boxes to the page.
First, you create one <asp:Table> control to your .aspx page:
<%@ Page
Language="C#"
AutoEventWireup="true"
CodeBehind="Default.aspx.cs"
Inherits="Creatingtableprogrammatically._Default"
%>
<!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>Untitled
Page</title>
</head>
<body>
<form
id="form1"
runat="server">
<div>
<asp:Table
ID="Table1"
runat="server">
</asp:Table>
Rows:
<asp:TextBox
ID="TextBox1"
runat="server"></asp:TextBox><br
/>
Columns:
<asp:TextBox
ID="TextBox2"
runat="server"></asp:TextBox>
<asp:Button
ID="Button1"
runat="server"
Text="Create Table"
OnClick="Button1_Click"
/><br
/>
</div>
</form>
</body>
</html>
Figure 7-58. Creating a table programmatically
Next, add the code in Listing7-29 on the button-click handler.
Listing 7-29. Button-click handler create a table programmatically
protected void
Button1_Click(object sender,
EventArgs e)
{
int rows =
Convert.ToInt16(TextBox1.Text);
int cols =
Convert.ToInt16(TextBox2.Text);
for (int
j = 0; j < rows; j++)
{
TableRow r =
new TableRow();
for (int
i = 0; i < cols; i++)
{
TableCell c =
new TableCell();
c.Controls.Add(new
LiteralControl("row"
+ j.ToString() + ", cell " + i.ToString()));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
}
Finally, run the application and enter the number of rows and the number of
columns to the text boxes and then click the Create table button to create a
table.
Conclusion
Hope this article would have helped you in understanding
creating
a table programmatically in ASP.NET. See other articles on
the website also for further reference.
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kalu singh raoPosted Jul 19, 2016, 8:19 AM
Nice...
Sujeet SumanPosted Oct 14, 2015, 6:15 AM
Good Article.................
Azaad AbbasPosted May 28, 2015, 5:36 AM
How to add multiple controls like (dropdown,checkbox,textbox) in one row one add button click and how to delete it on delete button click which is besides row button.
Akshay CharaPosted Feb 11, 2011, 4:18 AM
public void CreateTable() { // disconnected state // creating table dynamically DataTable dt = new DataTable("emptable"); DataColumn dc = new DataColumn("name",typeof(string)); DataColumn dc1 = new DataColumn("id",typeof(int )); DataColumn dc2 = new DataColumn("age",typeof(int)); DataColumn dc3 = new DataColumn("salary", typeof(double)); dt.Columns.Add(dc); dt.Columns.Add(dc1); dt.Columns.Add(dc2); dt.Columns.Add(dc3); DataRow dr = dt.NewRow(); dr[0] = "tarun"; dr[1] = 1 ; dr[2] = 21; dr[3] = 0; DataRow dr1 = dt.NewRow(); dr1[0] = "chara"; dr1[1] = 2; dr1[2] = 21; dr1[3] = 0; DataRow dr2 = dt.NewRow(); dr2[0] = "rupesh"; dr2[1] = 3; dr2[2] = 21; dr2[3] = 0; dt.Rows.Add(dr); dt.Rows.Add(dr1); dt.Rows.Add(dr2); GridView gd = new GridView(); gd.DataSource = dt; gd.DataBind(); form1.Controls.Add(gd); } protected void Page_Load(object sender, EventArgs e) { CreateTable(); }