asp.net GridViewコントロールにおいて、全選択のソリューションを実現します.

 
  
 
  <br>function checkAll() 
  <br>{ 
  <br>var checklist=document.getElementsByTagName("input"); 
  <br>for(var i=0;i<checklist.length;i++) 
  <br>{ 
  <br>if(checklist[i].type=="checkbox") 
  <br>{ 
  <br>checklist[i].checked=document.form1.ck.checked; 
  <br>} 
  <br>} 
  <br>} 
  <br> 
  
 
 

 
  
protected void   _CheckedChanged(object sender, EventArgs e) 
  
{ 
  
if (  .Checked == true) 
  
{ 
  
for (int i = 0; i < GridView1.Rows.Count; i++) 
  
{ 
  
CheckBox ck = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("checkbox1") as CheckBox; 
  
if (ck!=null) 
  
{ 
  
ck.Checked = true; 
  
} 
  
} 
  
} 
  
else 
  
{ 
  
for (int i = 0; i < GridView1.Rows.Count; i++) 
  
{ 
  
CheckBox ck = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("checkbox1") as CheckBox; 
  
if (ck != null) 
  
{ 
  
ck.Checked = false; 
  
} 
  
} 
  
} 
  
}