新手低级问题,麻烦指条明路!
trial 2006-11-17 11:29:06 --------------Default-----------------
protected void Page_Load(object sender, EventArgs e)
{
if ((TextBox1.Text == "") || (TextBox2.Text==""))
{
SqlStr = "Select * from News_ds order by sendtime desc";
}
else
{
***
}
}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
First=Convert.ToDateTime(TextBox1.Text);
Last=Convert.ToDateTime(TextBox2.Text);
}
catch(Exception ex)
{
Response.Write(ex);
}
finally
{
}
}
希望用Button1_Click()执行验证。
但是运行情况下来就是先执行
if ((TextBox1.Text == "") || (TextBox2.Text==""))
{
****
}
else
{
****
}
然后再执行Button_Click(),导致我的验证无法正常执行,请问该如何修改!