Answer

barcode showing more times in runtime in asp.net

selvi subramanian

473

my source

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

AutoGenerateColumns="false" onrowdatabound="grddata_RowDataBound"

Height="16px">

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

<td>

<b>Bramandam<u><span>

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

</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>

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

</td>

</table>

</ItemTemplate>

</asp:TemplateField>

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

<td>

<b>Bramandam<u><span>

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

</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>

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

</td>

</table>

</ItemTemplate>

</asp:TemplateField>

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

<td>

<b>Bramandam<u><span>

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

</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>

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

</td>

</table>

</ItemTemplate>

</asp:TemplateField>

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

<td>

<b>Bramandam<u><span>

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

</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>

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

</td>

</table>

</ItemTemplate>

</asp:TemplateField>

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

<td>

<b>Bramandam<u><span>

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

</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>

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

</td>

</table>

</ItemTemplate>

</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

Attachment: brco.rar

Next Recommended Forum

How to call two master page dyanamically on button click

No printers are installed in server system

Leaderboard

View all

Harshit Pandey

Jemmy Jackson James

Markram

Yesterday's leader

Member of the month

Speaker of the month

View all

Harshit Pandey

java, python, BigData

Kanpur (India)

7.4k

114.9k

Harshit Pandey

Bengaluru (India)

4.4k

Nitin Pandit

MVC, WPF, LINQ, Azure

noida (India)

14.6m

62.9k

Upcoming events

View all

Suggested for you

View all

Delpin Susai Raj

Alistair Cook

Satya Verma

Nilesh Jadav

Vineet Kumar Saini

Forum Statistics

Please welcome our newest member kamkhaya .
2,380,693 users have contributed to 122,571 threads and 388,933
In the past 24 hours, we have 0 new threads, 1 new posts, and 1 new users.
In last week, the most popular thread is 'What is OSI Model?'.