Dynamic Text Box Control

Question

i want to create dynamic textbox control and add in panel and store its value in database

i have already create dynamic textbox control and add in panel but i am not able to get textbox value in Button Click

Sanjeeb Lenka · Answer

Hi, the asp.net don't keep control state. So if you want to create control dynamicly, you should create the dynamic control every time in Page_Load function. You can store the dynamic control into session, and then read it at page_load function. Here is a example, maybe help you. i modified your code check it. protected void Page_Load(object sender, EventArgs e) { if (Session["txt"] != null) { TextBox txt = Session["txt"] as TextBox; panel1.Controls.Add(txt); } } protected void Button1_Click(object sender, EventArgs e) { TextBox txt = new TextBox(); txt.Text = ""; txt.ID = "TextBox10"; txt.Width = 560; txt.Height = 48; panel1.Controls.Add(txt); Session["txt"] = txt; } protected void Button2_Click(object sender, EventArgs e) { TextBox t1 = (TextBox)panel1.FindControl("TextBox10"); lblshow.Text = "Text is " + t1.Text; }

Neeraj Singh · Answer

Yes when i created Textbox that time i assigned the Textbox value "0" But when textbox created and i changed the value from "0" to "DotNet" and click the button then also textbox value is "0"

Vulpes · Answer

Have you actually changed the Text property at runtime as it was an empty string when you created the TextBox?

Neeraj Singh · Answer

protected void btnDyn_Click(object sender, EventArgs e) { TextBox txt = new TextBox(); txt.Text = ""; txt.ID = "TextBox10"; txt.Width = 560; txt.Height = 48; panel1.Controls.Add(txt); } protected void btnShow_Click(object sender, EventArgs e) { TextBox t1 = (TextBox)panel1.FindControl("TextBox10"); lblshow.Text = "Text is " + t1.Text; } Again t1 value is null

Vulpes · Answer

I gather it's an ASP.NET application rather than Windows Forms. The code to access the TextBoxes should therefore be similar to what Iftikar posted: protected void Button1_Click(object sender, EventArgs e) { TextBox tb1 = (TextBox)Panel1.FindControl("tb1"); TextBox tb2 = (TextBox)Panel1.FindControl("tb2"); TextBox tb3 = (TextBox)Panel1.FindControl("tb3"); // do something with TextBoxes }

Neeraj Singh · Answer

My code is Create Textbox for (int i = 0; i { TextBox s = new TextBox(); s.ID = "tb" + i.ToString(); panel1.Controls.Add(s); } Get Value for (int i = 0; i { string txtvalue = "txtBox" + i.ToString(); TextBox txt = (TextBox)paneldyn.FindControl(txtvalue); } But Get Value is Not working ....

Iftikar Hussain · Answer

Hi, You can use FindControl for panel and read textbox value protected void Button1_Click(object sender, EventArgs e) { TextBox t1 = (TextBox)Panel1.FindControl("TextBox1"); TextBox t2 = (TextBox)Panel1.FindControl("TextBox2"); } Regards, Iftikar

Sanjeeb Lenka · Answer

Hi, Refer to this link http://www.dotnetspider.com/resources/27690-Get-Text-Dynamically-Created-Text-Box.aspx http://stackoverflow.com/questions/1487618/accessing-value-of-dynamically-created-controls-c-asp-net

Vulpes · Answer

When you create the dynamic TextBox make sure you set its Name property. Suppose it's called txtDynamic and it's within a panel called panel1. Then you can access it from within a button_Click handler as follows: TextBox txtDynamic = this.panel1.Controls["txtDynamic"] as TextBox;

Dynamic Text Box Control

Answers (9)