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<html>
<title>第十三例 HtmlTable控件的使用</title>
<head>
<script language="C#" runat="server">
public int page=1;
static int k=0;
void Submit1(Object sender, EventArgs e) {
int m =0 ;
int row = 0;
if (( Select1.Value == "" ) || ( Select2.Value == "" ) )
{
Message.InnerHtml="输入的行列值不能够为空";
return;
}
//generate rows and cells
int numrows = Convert.ToInt32(Select1.Value);
int numcells = Convert.ToInt32(Select2.Value);
if ((numrows > 50 ) || (numrows < 0 ) || (numcells < 0) || (numcells > 8))
{
Message.InnerHtml="不能大于8列50行";
return;
}
k=0;
int mod1=0;
Message.InnerHtml="";
if (numrows % 6 != 0) mod1=1;
page=numrows / 6+mod1;
Message1.InnerHtml="<p><P>按您的输入的数值共有页数 <font color=red size=4>" + Convert.ToString(page) + "</font> 页，转到第：";
for (;m < page;m++)
{
StateSelect.Items.Add ((m+1).ToString());
}
for (int j=0; j<min(6,numrows); j++) {
HtmlTableRow r = new HtmlTableRow();
// set bgcolor on alternating rows
if (row % 2 == 1)
r.BgColor="Gainsboro";
row++;
for (int i=0; i<numcells; i++) {
HtmlTableCell c = new HtmlTableCell();
c.Controls.Add(new LiteralControl("第" + (j+1).ToString() +"行"+
"，第" + (i+1).ToString()+"列"));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
}
void Submit2(Object sender, EventArgs e) {
int row = 0;
int numrows = Convert.ToInt32(Select1.Value);
int numcells = Convert.ToInt32(Select2.Value);
int mod1=0;
Message.InnerHtml="";
if (numrows%6 != 0) mod1=1;
page=numrows/6+mod1;
if (k < page-1) k++;
for (int j=k*6; j<min((k+1)*6,numrows); j++) {
HtmlTableRow r = new HtmlTableRow();
// set bgcolor on alternating rows
if (row%2 == 1)
r.BgColor="Gainsboro";
row++;
for (int i=0; i<numcells; i++) {
HtmlTableCell c = new HtmlTableCell();
c.Controls.Add(new LiteralControl("第" + (j+1).ToString() +"行"+
"，第" + (i+1).ToString()+"列"));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
}
void Submit3(Object sender, EventArgs e) {
int row = 0;
int numrows = Convert.ToInt32(Select1.Value);
int numcells = Convert.ToInt32(Select2.Value);
int mod1=0;
Message.InnerHtml="";
if (numrows%6 != 0) mod1=1;
page=numrows/6+mod1;
if (k > 0) k--;
for (int j=k*6; j<min((k+1)*6,numrows); j++) {
HtmlTableRow r = new HtmlTableRow();
// set bgcolor on alternating rows
if (row%2 == 1)
r.BgColor="Gainsboro";
row++;
for (int i=0; i<numcells; i++) {
HtmlTableCell c = new HtmlTableCell();
c.Controls.Add(new LiteralControl("第" + (j+1).ToString() +"行"+
"，第" + (i+1).ToString()+"列"));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
}
int min(int x,int y)
{
if (x>y) return y;
else return x;
}
void Change1(Object sender, EventArgs e)
{
if (StateSelect.Value == "")
{
Message.InnerHtml="请您首先输入行列值，然后生成表格";
return;
}
int k=Convert.ToInt32(StateSelect.Value)-1;
int row = 0;
int numrows = Convert.ToInt32(Select1.Value);
int numcells = Convert.ToInt32(Select2.Value);
int mod1=0;
Message.InnerHtml="";
if (numrows%6 != 0) mod1=1;
page=numrows/6+mod1;
for (int j=k*6; j<min((k+1)*6,numrows); j++) {
HtmlTableRow r = new HtmlTableRow();
// set bgcolor on alternating rows
if (row%2 == 1)
r.BgColor="Gainsboro";
row++;
for (int i=0; i<numcells; i++) {
HtmlTableCell c = new HtmlTableCell();
c.Controls.Add(new LiteralControl("第" + (j+1).ToString() +"行"+
"，第" + (i+1).ToString()+"列"));
r.Cells.Add(c);
}
Table1.Rows.Add(r);
}
}
</script>
</head>
<body>
<h3>
<font face="Verdana">第十三例 HtmlTable控件的使用</font>
</h3>
<form runat="server">
<font face="Verdana" size="-1">
<p>
<table id="Table1" CellPadding="5" CellSpacing="0" Border="1" BorderColor="black" runat="server" />
<input id="Submit31" type="button" value="上一页" runat="server" Onserverclick="Submit3">
<input id="Submit21" type="button" value="下一页" runat="server" Onserverclick="Submit2">
<span id="Message1" runat="server" /><select id="StateSelect" runat="server" />页
<input type="submit" value="提交" runat="server" Onserverclick="Change1">
<p>
请您输入表格行数: <input type="text" id="Select1" runat="server">
<br>
请您输入表格列数: <input type="text" id="Select2" runat="server">
<BR>
<input type="submit" value="生成表格" Onserverclick="Submit1" runat="server">
</font>
</form>
<span id="Message" runat="server" />
</body>
</html>
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