demo_reqfieldvalidator [ ^ ]



看到这个......

demo_reqfieldvalidator[^]

see this...

          if ( textbox.Text =="" )
          {
              // then assign ur variable null
          }
          else
          {
              // do your coding
          }

it helps pls select as answer

尝试这个我觉得这就是你需要的............. >




if（textbox1.Text ==）{

messagebox.show（你不能离开文本框空白。）;

}

else {

//你的代码在这里

}







请接受为答案.......



Reagards，

Ahsan Naveed。

try this I think this is what you need.............


if (textbox1.Text==""){
messagebox.show("You cannot leave the textbox blank.");
}
else {
//your code here
}



please accept as answer.......

Reagards,
Ahsan Naveed.