barcode showing more times in runtime in asp.net

Question

my source

 

<asp:GridView ID="grddata" runat="server" Width="16px"

AutoGenerateColumns="false" onrowdatabound="grddata_RowDataBound"

Height="16px">

<Columns>

<asp:TemplateField ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Top">

<ItemTemplate>

<td>

<table cellpadding="2" cellspacing="0" border="1" style="width: 20px; height: 33px; background-color: White" id="Tabl">

<tr align="center">

<td align="center">

<b>Bramandam<u><span>

</span></u></b>

</td></tr>

<tr align="center"><td align="center"><asp:Label ID="sectionname" runat="server" Text='<%#Eval("sectionname") %>'></asp:Label></td></tr>

<tr align="center"><td align="center"><asp:Label ID="lotno" runat="server" Text='<%#Eval("lotno") %>' Visible="false"> </asp:Label><asp:PlaceHolder ID="plBarCode" runat="server" /></td></tr>

<tr align="center"><td align="center"> <asp:Label ID="lotnoo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label></td></tr>

<tr align="center"><td align="center">

<asp:Label ID="rate" runat="server" Text='<%#Eval("rate") %>'></asp:Label></td></tr>

</td>

</table>

</ItemTemplate>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle"></HeaderStyle>

<ItemStyle HorizontalAlign="Center" VerticalAlign="Top" />

</asp:TemplateField>

<asp:TemplateField ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Top">

<ItemTemplate>

<td>

<table cellpadding="2" cellspacing="0" border="1" style="width: 20px; height: 33px; background-color: White" id="Tabl">

<tr align="center">

<td align="center">

<b>Bramandam<u><span>

</span></u></b>

</td></tr>

<tr align="center"><td align="center"><asp:Label ID="secionname" runat="server" Text='<%#Eval("sectionname") %>'></asp:Label></td></tr>

<tr align="center"><td align="center"><asp:Label ID="lono" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label><asp:PlaceHolder ID="plBarCoode" runat="server" /></td></tr>

<tr align="center"><td align="center"> <asp:Label ID="lonoo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label></td></tr>

<tr align="center"><td align="center">

<asp:Label ID="rae" runat="server" Text='<%#Eval("rate") %>'></asp:Label></td></tr>

</td>

</table>

</ItemTemplate>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle"></HeaderStyle>

<ItemStyle HorizontalAlign="Center" VerticalAlign="Top" />

</asp:TemplateField>

<asp:TemplateField ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Top">

<ItemTemplate>

<td>

<table cellpadding="2" cellspacing="0" border="1" style="width: 20px; height: 33px; background-color: White" id="Tabl">

<tr align="center">

<td align="center">

<b>Bramandam<u><span>

</span></u></b>

</td></tr>

<tr align="center"><td align="center"><asp:Label ID="secioname" runat="server" Text='<%#Eval("sectionname") %>'></asp:Label></td></tr>

<tr align="center"><td align="center"><asp:Label ID="loo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label><asp:PlaceHolder ID="plBarCodde" runat="server" /></td></tr>

<tr align="center"><td align="center"> <asp:Label ID="looo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label></td></tr>

<tr align="center"><td align="center">

<asp:Label ID="re" runat="server" Text='<%#Eval("rate") %>'></asp:Label></td></tr>

</td>

</table>

</ItemTemplate>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle"></HeaderStyle>

<ItemStyle HorizontalAlign="Center" VerticalAlign="Top" />

</asp:TemplateField>

<asp:TemplateField ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Top">

<ItemTemplate>

<td>

<table cellpadding="2" cellspacing="0" border="1" style="width: 20px; height: 33px; background-color: White" id="Tabl">

<tr align="center">

<td align="center">

<b>Bramandam<u><span>

</span></u></b>

</td></tr>

<tr align="center"><td align="center"><asp:Label ID="secionsname" runat="server" Text='<%#Eval("sectionname") %>'></asp:Label></td></tr>

<tr align="center"><td align="center"><asp:Label ID="losno" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label><asp:PlaceHolder ID="plBarCodee" runat="server" /></td></tr>

<tr align="center"><td align="center"> <asp:Label ID="losnoo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label></td></tr>

<tr align="center"><td align="center">

<asp:Label ID="rase" runat="server" Text='<%#Eval("rate") %>'></asp:Label></td></tr>

</td>

</table>

</ItemTemplate>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle"></HeaderStyle>

<ItemStyle HorizontalAlign="Center" VerticalAlign="Top" />

</asp:TemplateField>

<asp:TemplateField ItemStyle-HorizontalAlign="Center" ItemStyle-VerticalAlign="Top">

<ItemTemplate>

<td>

<table cellpadding="2" cellspacing="0" border="1" style="width: 20px; height: 33px;background-color: White" id="Tabl">

<tr align="center">

<td align="center">

<b>Bramandam<u><span>

</span></u></b>

</td></tr>

<tr align="center"><td align="center"><asp:Label ID="seciornname" runat="server" Text='<%#Eval("sectionname") %>'></asp:Label></td></tr>

<tr align="center"><td align="center"><asp:Label ID="lorno" runat="server" Text='<%#Eval("lotno") %> ' Visible="false"></asp:Label><asp:PlaceHolder ID="plBarCCode" runat="server" /></td></tr>

<tr align="center"><td align="center"> <asp:Label ID="lornoo" runat="server" Text='<%#Eval("lotno") %>' Visible="false"></asp:Label></td></tr>

<tr align="center"><td align="center">

<asp:Label ID="rrae" runat="server" Text='<%#Eval("rate") %>'></asp:Label></td></tr>

</td>

</table>

</ItemTemplate>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle"></HeaderStyle>

<ItemStyle HorizontalAlign="Center" VerticalAlign="Top" />

</asp:TemplateField>

</Columns>

</asp:GridView>

 

 

 my code

 

protected void grddata_RowDataBound(object sender, GridViewRowEventArgs e)

{

foreach (GridViewRow gvr in this.grddata.Rows)

{

string barCode = (gvr.FindControl("lotno") as Label).Text;

System.Web.UI.WebControls.Image imgBarCode = new System.Web.UI.WebControls.Image();

using (Bitmap bitMap = new Bitmap(barCode.Length * 40, 80))

{

using (Graphics graphics = Graphics.FromImage(bitMap))

{

Font oFont = new Font("Elfring Bar Code 39 d Hb", 28);

PointF point = new PointF(2f, 2f);

SolidBrush blackBrush = new SolidBrush(Color.Black);

SolidBrush whiteBrush = new SolidBrush(Color.White);

graphics.FillRectangle(whiteBrush, 0, 0, bitMap.Width, bitMap.Height);

graphics.DrawString("*" + barCode + "*", oFont, blackBrush, point);

}

using (MemoryStream ms = new MemoryStream())

{

bitMap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);

byte[] byteImage = ms.ToArray();

Convert.ToBase64String(byteImage);

imgBarCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(byteImage);

}

(gvr.FindControl("plBarCode") as PlaceHolder).Controls.Add(imgBarCode);

}

}

foreach (GridViewRow gvr in this.grddata.Rows)

{

string barrCode = (gvr.FindControl("lotno") as Label).Text;

System.Web.UI.WebControls.Image imgBarCoe = new System.Web.UI.WebControls.Image();

using (Bitmap birtMap = new Bitmap(barrCode.Length * 40, 80))

{

using (Graphics grraphics = Graphics.FromImage(birtMap))

{

Font oFonrt = new Font("Elfring Bar Code 39 d Hb", 28);

PointF poinrt = new PointF(2f, 2f);

SolidBrush blackBrrush = new SolidBrush(Color.Black);

SolidBrush whiteBrrush = new SolidBrush(Color.White);

grraphics.FillRectangle(whiteBrrush, 0, 0, birtMap.Width, birtMap.Height);

grraphics.DrawString("*" + barrCode + "*", oFonrt, blackBrrush, poinrt);

}

using (MemoryStream mrs = new MemoryStream())

{

birtMap.Save(mrs, System.Drawing.Imaging.ImageFormat.Png);

byte[] byterImage = mrs.ToArray();

Convert.ToBase64String(byterImage);

imgBarCoe.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(byterImage);

}

(gvr.FindControl("plBarCoode") as PlaceHolder).Controls.Add(imgBarCoe);

}

}

foreach (GridViewRow gvr in this.grddata.Rows)

{

string barrsCode = (gvr.FindControl("lotno") as Label).Text;

System.Web.UI.WebControls.Image igBarCode = new System.Web.UI.WebControls.Image();

using (Bitmap birtsMap = new Bitmap(barrsCode.Length * 40, 80))

{

using (Graphics grraphsics = Graphics.FromImage(birtsMap))

{

Font oFonrst = new Font("Elfring Bar Code 39 d Hb", 28);

PointF poinrst = new PointF(2f, 2f);

SolidBrush blackBrrussh = new SolidBrush(Color.Black);

SolidBrush whiteBrrussh = new SolidBrush(Color.White);

grraphsics.FillRectangle(whiteBrrussh, 0, 0, birtsMap.Width, birtsMap.Height);

grraphsics.DrawString("*" + barrsCode + "*", oFonrst, blackBrrussh, poinrst);

}

using (MemoryStream msrs = new MemoryStream())

{

birtsMap.Save(msrs, System.Drawing.Imaging.ImageFormat.Png);

byte[] bytersImage = msrs.ToArray();

Convert.ToBase64String(bytersImage);

igBarCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(bytersImage);

}

(gvr.FindControl("plBarCodde") as PlaceHolder).Controls.Add(igBarCode);

}

}

foreach (GridViewRow gvr in this.grddata.Rows)

{

string barrsCorde = (gvr.FindControl("lotno") as Label).Text;

System.Web.UI.WebControls.Image imBarCode = new System.Web.UI.WebControls.Image();

using (Bitmap birtsrMap = new Bitmap(barrsCorde.Length * 40, 80))

{

using (Graphics grraphsicrs = Graphics.FromImage(birtsrMap))

{

Font oFonrsrt = new Font("Elfring Bar Code 39 d Hb", 28);

PointF poinrsrt = new PointF(2f, 2f);

SolidBrush blackBrrussrh = new SolidBrush(Color.Black);

SolidBrush whiteBrrussrh = new SolidBrush(Color.White);

grraphsicrs.FillRectangle(whiteBrrussrh, 0, 0, birtsrMap.Width, birtsrMap.Height);

grraphsicrs.DrawString("*" + barrsCorde + "*", oFonrsrt, blackBrrussrh, poinrsrt);

}

using (MemoryStream msrsr = new MemoryStream())

{

birtsrMap.Save(msrsr, System.Drawing.Imaging.ImageFormat.Png);

byte[] bytersrImage = msrsr.ToArray();

Convert.ToBase64String(bytersrImage);

imBarCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(bytersrImage);

}

(gvr.FindControl("plBarCCode") as PlaceHolder).Controls.Add(imBarCode);

}

}

foreach (GridViewRow gvr in this.grddata.Rows)

{

string baarrsCode = (gvr.FindControl("lotno") as Label).Text;

System.Web.UI.WebControls.Image imgBaCode = new System.Web.UI.WebControls.Image();

using (Bitmap bairtsMap = new Bitmap(baarrsCode.Length * 40, 80))

{

using (Graphics garraphsics = Graphics.FromImage(bairtsMap))

{

Font oaFonrst = new Font("Elfring Bar Code 39 d Hb", 28);

PointF paoinrst = new PointF(2f, 2f);

SolidBrush balackBrrussh = new SolidBrush(Color.Black);

SolidBrush wahiteBrrussh = new SolidBrush(Color.White);

garraphsics.FillRectangle(wahiteBrrussh, 0, 0, bairtsMap.Width, bairtsMap.Height);

garraphsics.DrawString("*" + baarrsCode + "*", oaFonrst, balackBrrussh, paoinrst);

}

using (MemoryStream masrs = new MemoryStream())

{

bairtsMap.Save(masrs, System.Drawing.Imaging.ImageFormat.Png);

byte[] baytersImage = masrs.ToArray();

Convert.ToBase64String(baytersImage);

imgBaCode.ImageUrl = "data:image/png;base64," + Convert.ToBase64String(baytersImage);

}

(gvr.FindControl("plBarCodee") as PlaceHolder).Controls.Add(imgBaCode);

}

}

}

 

 

 

my code