js遍历table,gridview

//遍历table

var tableObj = document.getElementById("tableName");

var str = "";

for(var i=0;i<tableObj.rows.length;i++)

{

for(varj=0;j<tableObj.rows[i].cells.length;j++)

{

//str += tableObj.rows[i].cells[j].innerHTML+" ";

for(var z=0;z<tableObj.rows[i].cells[j].children.length;z++)

{

var text = tableObj.rows[i].cells[j].children[z];//取得text object

str += text.value;

}

}

str+="\n";

}

alert(str);

//遍历gridview

function ValidateGridViewScore()

{

var gv=document.getElementById("gvGradeInput");

var array=new Array();

for( i=1;i<gv.rows.length;i++)

{

var score=document.getElementById(gv.rows[i].cells[2].firstChild.id).value;

//var GridView=document.getElementById("gvGradeInput");

// for(var i=1;i <GridView.rows.length;i++)

//{

//var TextBox=GridView.rows[i].cells[2].getElementsByTagName("input")[0].value;

if(parseInt(score)>100||parseInt(score)<0)

{

var xm=gv.rows[i].cells[1].innerText;

array .push (xm);

}

}

if(array .length >0)

{

alert(array+"的成绩必须大于等于0且小于等于100");

return false ;

}

else

{

alert("可以录入!");

return false ;

}

}