hi
there is gridview and textbox in page that when users click on button it will add numbers from gridview into textbox below is code:
protected void LBaddNumber_Click(object sender, EventArgs e)
{
ViewUsersInfo();
string numbers = string.Empty;
foreach (GridViewRow row in GridView1.Rows)
{
numbers += (row.FindControl("LblName") as Label).Text.Trim() + Environment.NewLine;
}
TxtPhone.Text = numbers.Trim();
CountMessage();
}
here when I enter number directly into text box and after that click button to enter number from gridview into text box it will delete numbers that I entered into textbox and add new numbers from gridview I want it doesn't delete numbers from textbox and add numbers into text box without deleting exiting numbers
Best regards
neda