90 type：1【全选】，2【反选】，3【取消】
91
92 使用方法：
93 this.btnSelectAll.Attributes.Add("onClick","CheckType('" + this.dg.ClientID.ToString() + "','chkAll','chkSingle',1);");
94 this.btnUnSelectAll.Attributes.Add("onClick","CheckType('" + this.dg.ClientID.ToString() + "','chkAll','chkSingle',2);");
95 this.btnCancelSelect.Attributes.Add("onClick","CheckType('" + this.dg.ClientID.ToString() + "','chkAll','chkSingle',3);");
96*/
97function CheckType(prefix,chkAll,chkSingle,type)
98{
99 var indexChkAll;
100 if(prefix.length != 0)
101 {
102 indexChkAll = prefix + "__ctl2_" + chkAll;
103 }
104 else
105 {
106 indexChkAll = chkAll;
107 }
108 var objChkAll = document.getElementById(indexChkAll);
109 var tempObj;
110 var allCount = 0;
111 var checkCount = 0;
112 for(var i=0;i<document.forms[0].elements.length;i++)
113 {
114 tempObj = document.forms[0].elements[i];
115 if(tempObj.type == "checkbox" && tempObj.id != indexChkAll && tempObj.id.indexOf(chkSingle) != -1)
116 {
117 switch(type)
118 {
119 case 1:
120 tempObj.checked = true;
121 break;
122 case 2:
123 tempObj.checked = !tempObj.checked;
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