GridView全选效果

使用PostBack方式

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2

使用JS方式(仅适合只有一列复选框)

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2

使用JS方式

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2

	col1	col2
	This is Row1 and Col1	This is Row1 and Col2
	This is Row2 and Col1	This is Row2 and Col2