Display string in gridview

One way is, you can use the arrayList to hold the split-up string, and then assign the arrayList as the DataSource for the GridView.

For that you have to include the following:

using System.Collections;

string originalText = "CodeProject";
ArrayList arrayText = new ArrayList();
for (int loopIndex = 0; loopIndex < originalText.Length; loopIndex++)
{
    arrayText.Add(originalText[loopIndex].ToString());
}
GridView1.DataSource = arrayText;
GridView1.DataBind();

Try In this format,

char[] array = TextBox1.Text.ToCharArray();
for (int i = 0; i < array.Length; i++)
{
    // Get character from array.
    char letter = array[i];
    // Display each letter.
    StringBuilder db = new StringBuilder();
    db.Append("<br />"+letter);
    Label1.Text += db.ToString();
}

string str = "hiiiiiiiiiiiiiiii";
        GridView1.DataSource = str;
        GridView1.DataBind();

this is working well..............