Here you can take table name as value from textbox, with that name you can create table at database.
protected void Page_Load(object sender, EventArgs e)
{

}
private string GetConnectionString()
{

//sets the connection string from your web config file. "DBConnection" is the name of your Connection String

return System.Configuration.ConfigurationManager.ConnectionStrings["DBConnection"].ConnectionString;

}
public bool DeleteData(string TableName)
{

SqlConnection connection = new SqlConnection(GetConnectionString());
connection.Open();
string sqlStatement = "CREATE TABLE " + TableName + "" + "(studentid INTEGER PRIMARY KEY," + "stuname CHAR(50), stuaddress CHAR

(255), stubalance FLOAT)";

SqlCommand sqlCmd = new SqlCommand(sqlStatement, connection);
sqlCmd.ExecuteNonQuery();
connection.Close();


return true;

}

protected void Button1_Click(object sender, EventArgs e)
{
string a = TextBox1.Text;
DeleteData(a);
}