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How can i create col span or row span on dynamic table

public partial class WebForm1 : System.Web.UI.Page
{
}
protected void Page_Load(object sender, EventArgs e)
{
}
public void CreateRuntime_Table()
{
int tblRows = int.Parse(txtrow.Text);
int tblCols = int.Parse(txtcol.Text);
Table tbl = new Table();
tbl.BorderWidth = 3;
tbl.BorderStyle = BorderStyle.Solid;
tbl.ID = "myTable";
for (int i = 1; i <= tblRows; i++)
{
TableRow tr = new TableRow();
for (int j = 1; j <= tblCols; j++)
{
TableCell tc = new TableCell();
TextBox txtbox = new TextBox();
txtbox.Text = "Test Row:" + i + "Test Col:" + " " + j;
//Add the control to the table cell
tc.Controls.Add(txtbox);
tr.Controls.Add(tc);
}
tbl.Rows.Add(tr);
}
form1.Controls.Add(tbl);
}
protected void Unnamed_Click(object sender, EventArgs e)
{
CreateRuntime_Table();
}
I have created a dynamic table using c#. How do I set a colspan on the dynamic table using a textbox?
For example if I place a value 3 in the text box and click on Apply Span button then the colspan of a dynamic table should change accordingly.
Check the Image below.
I am new to c#, pls help
Thanks.
UI Image

HTML col-span and row-span attributes are represented by ColumnSpan and RowSpan properties of TableCell class.
In your code, you should add assigning of those properties to TableCell tc.
public void CreateRuntime_Table()
{
int tblRows = int.Parse(txtrow.Text);
int tblCols = int.Parse(txtcol.Text);
//I would recommend using int.TryParse with some defaults
int colSpan = 0;
int rowSpan = 0;
int.TryParse(tbColspanName.Text, out colSpan);
int.TryParse(tbRowspanName.Text, out rowSpan);
Table tbl = new Table();
tbl.BorderWidth = 3;
tbl.BorderStyle = BorderStyle.Solid;
tbl.ID = "myTable";
for (int i = 1; i <= tblRows; i++)
{
TableRow tr = new TableRow();
for (int j = 1; j <= tblCols; j++)
{
TableCell tc = new TableCell()
{
//assign entered col / row span
ColumnSpan = colSpan,
RowSpan = rowSpan
};
TextBox txtbox = new TextBox();
txtbox.Text = "Test Row:" + i + "Test Col:" + " " + j;
//Add the control to the table cell
tc.Controls.Add(txtbox);
tr.Controls.Add(tc);
}
tbl.Rows.Add(tr);
}
form1.Controls.Add(tbl);
}

Dynamic button not firing click event or page life cycle for button(not dynamic)

I've got different entity types and depending on which entity is clicked (dropdownlist) the amount and types of uploads which is needed is different every time.
Thus, I am creating multiple dynamic upload controls in a dynamic table with a dynamic upload button to upload all files at the same time (I also tried adding a button on the asp.net page as well). Everything creates fine and I can choose the files to upload.
The problem that I am having is that the dynamic button control is not firing its onclicked event, thus I am not able to save the files. I tried creating a button on the asp.net side which does fire, but because of the page life cycle it's not picking up my upload controls.
I then tried to add the OnInit event and created the dynamic button in there and the rest of the upload dynamic controls on the selected index change of the dropdown, but then the everything gets created except the dynamic upload controls. The click event then fires. (the Page_Init does the same).
Preferably I would like the button not to be dynamic but reach the file upload controls to save the files. Is there a way around the page life cycle that I can achieve this or could anybody please tell me what I am doing wrong? Or how can I get the dynamic button to fire the click event?
Any help will be greatly appreciated....
Here is my code of what I done:
protected void lstLegalEntity_SelectedIndexChanged(object sender, EventArgs e)
{
if (CTflag == false)
{
this.Rows = tblRow;
this.Columns = tblCol;
lblAmountOfRows.Text = "4";
CreateDynamicTable();
}
else
{
CTflag = true;
}
clrControls();
}
protected void CreateDynamicTable()
{
string filterstring = "";
filterstring = "SELECT let.ID, UploadType " +
"FROM [dbo].[AssetContract_LegalEntityLinks] lel " +
"INNER Join [dbo].[AssetContract_LegalEntity] le " +
"ON lel.LegalEntityRef = le.ID " +
"INNER JOIN [dbo].[AssetContract_LegalEntityTypes] let " +
"ON lel.LegalTypeRef = let.ID " +
"WHERE lel.LegalEntityRef = #LegalEntityRef ";
cn = new SqlConnection(GetConnectionString());
SqlCommand myCmd = new SqlCommand();
myCmd.CommandText = filterstring;
myCmd.Connection = cn;
myCmd.CommandType = CommandType.Text;
if (lstLegalEntity.SelectedValue != "")
{
myCmd.Parameters.AddWithValue("#LegalEntityRef", Convert.ToInt32(lstLegalEntity.SelectedValue));
}
else
{
myCmd.Parameters.AddWithValue("#LegalEntityRef", Convert.ToInt32(0));
}
cn.Open();
SqlDataReader myReader = myCmd.ExecuteReader();
tblRow = GetUploadControlsCount();
if (CTflag == false)
{
table.Caption = "Upload Requirements";
table.ID = "Upload Requirements";
table.BackColor = System.Drawing.Color.BurlyWood;
divFileUploads.Controls.Add(table);
for (i = 0; i < 1; i++)
{
row = new TableRow();
row.BorderStyle = BorderStyle.Ridge;
for (j = 0; j <= tblCol; j++)
{
cell = new TableCell();
cell.BorderWidth = 5;
cell.BorderStyle = BorderStyle.Ridge;
cell.BorderColor = System.Drawing.Color.Azure;
for (j = 0; j <= tblCol; j++)
{
string[] Header = { "Upload Type", "File" };
Label lbl = new Label();
lbl.ID = "lblHeader" + j;
if (j == 1)
{
lbl.Width = 220;
}
else
{
lbl.Width = 100;
}
lbl.Text = Header[j];
cell.Controls.Add(lbl);
}
row.Cells.Add(cell);
}
table.Rows.Add(row);
}
int readCount = 1;
while (myReader.Read())
{
for (i = 0; i < 1; i++)
{
row = new TableRow();
row.ID = "rw" + myReader["UploadType"].ToString();
row.BorderStyle = BorderStyle.Ridge;
for (j = 0; j <= tblCol; j++)
{
cell = new TableCell();
cell.ID = tbColId + i + j + myReader["UploadType"].ToString(); ;
cell.BorderWidth = 5;
cell.BorderStyle = BorderStyle.Ridge;
cell.BorderColor = System.Drawing.Color.Azure;
for (j = 0; j <= 0; j++)
{
Label lbl = new Label();
lbl.ID = "lblCCRow" + i + "Col" + j + myReader["UploadType"].ToString();
lbl.Text = myReader["UploadType"].ToString();
lbl.Width = 100;
// Add the control to the TableCell
cell.Controls.Add(lbl);
}
for (j = 0; j < 1; j++)
{
fileUp = new FileUpload();
//m = i; n = j;
fileUp.ID = filename + i + readCount.ToString();
fileUp.Width = 350;
cell.Controls.Add(fileUp);
cmdArg = fileUp.ID;
}
row.Cells.Add(cell);
}
table.Rows.Add(row);
readCount++;
}
i = 0;
j = 0;
}
for (i = 0; i < 1; i++)
{
rrow = new TableRow();
rrow.ID = "ResultRow";
rrow.BorderStyle = BorderStyle.Ridge;
rrow.HorizontalAlign = HorizontalAlign.Center;
for (j = 0; j <= tblCol; j++)
{
rcell = new TableCell();
rcell.ID = "resultCol" + j;
rcell.BorderWidth = 5;
rcell.BorderStyle = BorderStyle.Ridge;
rcell.BorderColor = System.Drawing.Color.Azure;
for (j = 0; j < 1; j++)
{
btnUpload = new Button();
btnUpload.Width = 100;
btnUpload.Text = "Upload";
btnUpload.ID = btnUpload.Text;
rcell.Controls.Add(btnUpload);
btnUpload.Click += new EventHandler(UpLdButton_Click);
}
rrow.Cells.Add(rcell);
}
table.Rows.Add(rrow);
}
CTflag = true;
ViewState["dynamictable"] = true;
cn.Close();
myReader.Close();
}
}
protected void UpLdButton_Click(object sender, EventArgs e)
{
for (int i = 0; i < tblRow; i++)
{
fileUp = (FileUpload)FindControlRecursive(this, string.Format("fileUpLoader{0}{1}", 0, i));
//rest of code to save file
}
}

Why don't you use asp repeater to display FileUploads?
you can easily set the html template and design, as DataSource use DataTable of your data
<asp:repeater id='rp' runat='server'>
<ItemTemplate>
<%Eval("UploadType"%> -this is the caption
<asp:fileUpload id='file' runat='server'/>
<asp:Button id='btnUpload' onclick='UploadClick' runat='server'/>
</ItemTemplate>
protected void lstLegalEntity_SelectedIndexChanged(object sender, EventArgs e)
{
//get data into DataTable
rp.DataSource=dt;
rp.DataBnd();
}
protected void UpLdButton_Click(object sender, EventArgs e)
{
for (int i = 0; i < tblRow; i++)
{
//this way you get the relevant fileUpload
fileUp = (FileUpload)((Button)Sender).Parent.FindControl ("file);
//rest of code to save file
}
}

You were on the right track when you added the dynamic buttons in the OnInit event - you just needed to also add the FileUpload controls too.
All of the controls need to be recreated on every postback. .NET automatically handles the controls you added to the ASPX page. You are responsible for the dynamic controls you add programmatically.
Here are a couple of approaches you can take from where you are:
Continue with dynamically adding the control but make the change so you are adding all of the controls, not just the buttons.
If you have a known maximum to the number of controls then you could add then all and control what is displayed using the Visible property. This works when the number of controls is small. It looks like you are putting borders around the table cells so this would not look so good in your case. If you can change the layout so that hiding the controls does not result in residual artifacts then this is an option.

C# DataGridView Colspan

I want to dynamically create a excel-like table with datagridview, but I want to have the option to set colspan to some columns.
The idea is just to display data, the user will not type anything, but it should be in table/spreadsheet look. If I cannot have datagridview with colspan is there any other type of table-like tool which has a colspan?
I other hand the columns will be created dynamically from database query result.
I'm using windows forms.
Any ideas?

You might take a look at the TableLayoutPanel Class, which has a TableLayoutPanel.SetColumnSpan Method.
Here's a code sample, which spans the one of the text boxes on 2 columns:
var dt = new DataTable();
dt.Columns.Add("Id");
dt.Columns.Add("Value1");
dt.Columns.Add("Value2");
dt.Rows.Add(1, "aa", "xx");
dt.Rows.Add(2, "bb","yy");
dt.Rows.Add(3, "cc", "zz");
tableLayoutPanel1.CellBorderStyle = TableLayoutPanelCellBorderStyle.Single;
tableLayoutPanel1.ColumnCount = 4;
tableLayoutPanel1.AutoSize = true;
for (int i = 0; i < dt.Columns.Count; i++)
{
var l = new Label();
l.Dock = DockStyle.Fill;
l.Text = dt.Columns[i].ColumnName;
tableLayoutPanel1.Controls.Add(l, i, 0);
}
var emptyLabel = new Label();
emptyLabel.Text = "Empty label";
tableLayoutPanel1.Controls.Add(emptyLabel, 4, 0);
for (int i = 0; i < dt.Rows.Count; i++)
{
for (int j = 0; j < dt.Rows[i].ItemArray.Length; j++)
{
var tb = new TextBox();
tb.Multiline = true;
tb.Dock = DockStyle.Fill;
tb.Text = dt.Rows[i][j].ToString();
tableLayoutPanel1.Controls.Add(tb, j, i+1);
if (i == 1 && j == 2)
tableLayoutPanel1.SetColumnSpan(tb, 2);
}
}

How to add a dynamically link in a dynamically added table

I'm a newbie and struggle to add a link, showed like an img in a dynamically added table.
string search = Search.Text;
IMyData members = new MyData();
DataTable dt = new DataTable();
dt = members.Search(search);
Table t = new Table();
t.ID = "tblTable";
TableRow row = null;
for (int i = 0; i < dt.Rows.Count; i++)
{
HyperLink link = new HyperLink();
row = new TableRow();
for (int j = 0; j < dt.Columns.Count; j++)
{
TableCell cell = new TableCell();
if (j == dt.Columns.Count - 1) //This last field may hava a number
{
if (Convert.ToInt32(dt.Rows[i][j].ToString()) > 0)
{
link.ID = "link" + i + "_" + j;
link.NavigateUrl = "members.aspx?showLease=" + dt.Rows[i][j].ToString();
link.ImageUrl = "img/document.png";
Page.Controls.Add(link); // How to put this in a cell, not on page
}
else
{
cell.Text = dt.Rows[i][j].ToString();
}
}
row.Cells.Add(cell);
}
t.Rows.Add(row);
}
pnlTable.Controls.Add(t);
How can I put the Hyperlink to the cell, and not to the Page?
Thanks

You can add control in TableCell the way you are doing in Page. Change your code like this
Page.Controls.Add(link);//Will add control in page
cell.Controls.Add(link);//Will add control in table cell

See below, I changed Page.Controls.Add(link) to cell.Controls.Add(link) and moved your Hyperlink declaration into the cell loop. Otherwise if will only be added in the last cell.
But if I see your code it seems that only the last cell will have link or text because of the j == dt.Columns.Count - 1
for (int i = 0; i < dt.Rows.Count; i++) {
row = new TableRow();
for (int j = 0; j < dt.Columns.Count; j++)
{
HyperLink link = new HyperLink();
TableCell cell = new TableCell();
if (j == dt.Columns.Count - 1) //This last field may hava a number
{
if (Convert.ToInt32(dt.Rows[i][j].ToString()) > 0)
{
link.ID = "link" + i + "_" + j;
link.NavigateUrl = "members.aspx?showLease=" + dt.Rows[i][j].ToString();
link.ImageUrl = "img/document.png";
cell.Controls.Add(link); // How to put this in a cell, not on page
}
else
{
cell.Text = dt.Rows[i][j].ToString();
}
}
row.Cells.Add(cell);
}
t.Rows.Add(row);
}

how can I reach radiobuttonlist?

I write this codes :
TabContainer TabContainer1 = new TabContainer();
TabContainer1.ID = "TabContainer1";
HtmlTableRow row = new HtmlTableRow();
HtmlTableCell cell = new HtmlTableCell();
for (int toplam_grp = 0; toplam_grp < 1; toplam_grp++)
{
Panel my_panel= new Panel();
my_panel.ID = toplam_grp + "my_panel";
for (int j = 0; j < 10; j++)
{
Label my_label = new Label();
my_label.ID = j + 10 * toplam_grp + "mylabel";//burda 10 j nin sınırı olcak
my_label.Text = "asdasdas";
RadioButtonList radioButtonList = new RadioButtonList();
radioButtonList.ID = j + 10 * toplam_grp + "radioButton";
radioButtonList.RepeatDirection = System.Web.UI.WebControls.RepeatDirection.Horizontal;
for (int i = 0; i < 5; i++)
{
radioButtonList.Items.Add(((char)(i + 65)).ToString());
}
my_panel.Controls.Add(my_label); /////////////////////////burda yanyana gözükse daha iyi olur
my_panel.Controls.Add(radioButtonList);
}
TabPanel tab = new TabPanel();
tab.ID = toplam_grp+"tab1";
tab.HeaderText =toplam_grp+"nbr";
TabContainer1.Tabs.Add(tab);
TabContainer1.Tabs[toplam_grp].Controls.Add(my_panel);
}
cell.Controls.Add(TabContainer1);
row.Cells.Add(cell);
myplace.Rows.Add(row);
I create a tabcontainer and one tab and in tab I create 10 radiobuttonlist(I give them ids each one) which have 5 members.
And I write this code to reach radiobuttonlist but ı dont reach because dont find their ids :
string ss = "";
for (int i = 0; i < 10; i++)
{
ss += ((RadioButtonList)(FindControl(i + "radioButton"))).SelectedIndex + "\n";
}
MessageBox.Show(ss);
for example first radiobuttonlist id : 0radioButton but it cant found.What can I do.Thanks for answering...

The whole code is a little confusing for me but I try to add my 2 cents.
You need to execute FindControl against the RadiobuttonList container and not against the page.
So, for instance, if you added a control named RadioButtonList1 to a asp.net panel named Panel1 you would have to do
Panel1.FindControl("RadioButtonList1 ")