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Editorial Team
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Asked: 2026-05-15T08:01:44+00:00

I’m developing an blog using ASP.NET , and I want that the user can

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I’m developing an blog using ASP.NET, and I want that the user can be able to add comments.

So I want to implement the idea of facebook on adding comments.

The comment will be stored in the database, so I will be able to load it with the page if the user goes to another web page.

You have any idea how can I do this thing ( Ajax, Javascript, jQuery, Ajax Toolkit ) ?

EDIT:

I found this :

<body>

<form id="form1" runat="server">

<p>

<textarea id="textArea"></textarea>

</p>

<input type="submit" value="Commenter"/>

<br />

</form>

<p>Add some Test to the page</p>

</body>

and script.js :

window.onload = initAll;

function initAll() {

document.getElementsByTagName("form")[0].onsubmit = addNode;

}

function addNode() {

var inText = document.getElementById("textArea").value;

var newText = document.createTextNode(inText);

var newGraf = document.createElement("p");

newGraf.appendChild(newText);

var docBody = document.getElementsByTagName("body")[0];

docBody.appendChild(newGraf);

return false;

}

But how can I save the comment in the database, because an input button can’t do this !

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1 Answer

  1. Editorial Team

    Generally, if you are using GridView to display those blog post, simply add a template field into the Gridview. Inside the template filed, you put a Textbox and a Button.

    When user click on the button, use your code behind to find the postID, and textbox, and save it to database, and then remember to bind the data to the gridview again.

    Here is some sample code.

    protected void btnBuy_Click(object sender, ImageClickEventArgs e)
{
    ImageButton btnBuy = (ImageButton)sender; //Find which button is clicked.
    //If that is a button, use Button btnBuy = (Button)Sender;

    GridViewRow row = (GridViewRow)btnBuy.NamingContainer; //Find which gridview row     //containes the clicked button

    Label lblPostID = (Label)row.FindControl("lblPostID"); //Find the post ID
    TextBox txtComment = (TextBox)row.FindControl("txtComments"); //Find the textbox

    //Save the data to database.
    //Put your code here.

    //Bind the gridview with the data source which got some new data.
    GridView1.DataSource = yourDataSource;
    GridView1.DataBind();
}
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