SQL Server Database ConnectionString

string strCon;
SqlConnection objCon = new SqlConnection();
string mstrConnectionstring = String.Empty;
public DataObject()
{
objCon = new SqlConnection();
strCon = ConfigurationSettings.AppSettings.Get("mstrConnectionstring");
objCon = new SqlConnection(strCon);
objCon.Open();
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Inside WebConfig. Replace the ( and ) by <>.

(appSettings)(add key="mstrConnectionstring" value="user id= ab;password=**********; server=VAIJAYANTA-PC\SQLEXPRESS; database = Vaijayanta-Test")(/add)(/appSettings)

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Export Gridview to Pdf

Error: - The document has no pages.
Soution: -Check the column name of your gridview. Whether they match with the ones you send to the data table or not. If they match. Then this error will not be shown.
Export Gridview to Pdf: -
1) First of all add reference the dll file called itextsharp.dll to your solution under References.
It can be obtained from: -

2) Then write the code below: -
using iTextSharp;using iTextSharp.text;using iTextSharp.text.pdf;
protected void btnExportToPdf_Click(object sender, EventArgs e) { ExportToPDF(); }
private void ExportToPDF() { Document document = new Document(PageSize.A4, 0, 0, 50, 50); System.IO.MemoryStream msReport = new System.IO.MemoryStream();
try { // creation of the different writers PdfWriter writer = PdfWriter.GetInstance(document, msReport);
// we add some meta information to the document document.AddAuthor("Vaichatt"); document.AddSubject("Export to PDF");
document.Open();
iTextSharp.text.Table datatable = new iTextSharp.text.Table(5);
datatable.Padding = 2; datatable.Spacing = 0;
//float[] headerwidths = { 6, 20, 32, 18, 8, 8, 8 }; float[] headerwidths = { 10, 50, 10, 15, 15 }; datatable.Widths = headerwidths;
// the first cell spans 7 columns // the first cell spans 5 columns Cell cell = new Cell(new Phrase("Manage Category Report", FontFactory.GetFont(FontFactory.HELVETICA, 16, Font.BOLD))); cell.HorizontalAlignment = Element.ALIGN_CENTER; cell.Leading = 30; //cell.Colspan = 7; cell.Colspan = 5; cell.Border = Rectangle.NO_BORDER; cell.BackgroundColor = new iTextSharp.text.Color(System.Drawing.Color.Gray); datatable.AddCell(cell);
// These cells span 2 rows datatable.DefaultCellBorderWidth = 1; datatable.DefaultHorizontalAlignment = 1; datatable.DefaultRowspan = 2; datatable.AddCell("Status"); datatable.AddCell(new Phrase("Category Name", FontFactory.GetFont(FontFactory.HELVETICA, 14, Font.NORMAL))); datatable.AddCell("Edit"); datatable.AddCell("Delete"); datatable.AddCell("Products");
// This cell spans the remaining 3 columns in 1 row //datatable.DefaultRowspan = 1; //datatable.DefaultColspan = 3; //datatable.AddCell("Just Put Anything");
// These cells span 1 row and 1 column //datatable.DefaultColspan = 1; //datatable.AddCell("Col 1"); //datatable.AddCell("Col 2"); //datatable.AddCell("Col 3");
datatable.DefaultCellBorderWidth = 1; datatable.DefaultRowspan = 1;
for (int i = 1; i < dgdManageCategory.Rows.Count; i++) { datatable.DefaultHorizontalAlignment = Element.ALIGN_LEFT; //datatable.AddCell(i.ToString()); //datatable.AddCell("This is my name."); //datatable.AddCell("I have a very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very, very long long address."); //datatable.AddCell("0123456789");
//datatable.DefaultHorizontalAlignment = Element.ALIGN_CENTER; //datatable.AddCell("No"); //datatable.AddCell("Yes"); //datatable.AddCell("No");
CheckBox cbIsActive = (CheckBox)dgdManageCategory.Rows[i].FindControl("cbIsActive"); datatable.AddCell(Convert.ToString(cbIsActive.Checked ));
Label lblCategoryName = (Label)dgdManageCategory.Rows[i].FindControl("lblCategoryName"); datatable.AddCell(lblCategoryName.Text);
//Label lblCatName = (Label)dgdManageCategory.Rows[i].FindControl("lblCatName"); //datatable.AddCell(lblCatName.ToString());
Button btnEdit = (Button)dgdManageCategory.Rows[i].FindControl("lbnEdit"); datatable.AddCell(btnEdit.Text);
Button btnDelete = (Button)dgdManageCategory.Rows[i].FindControl("lbnDelete"); datatable.AddCell(btnDelete.Text);
Button btnProducts = (Button)dgdManageCategory.Rows[i].FindControl("lbnProducts"); datatable.AddCell(btnProducts.Text); }
document.Add(datatable); } catch (Exception e) { string s = e.Message; Console.Error.WriteLine(e.Message); }
// we close the document document.Close();
Response.Clear(); Response.AddHeader("content-disposition", "attachment;filename=Export.pdf"); Response.ContentType = "application/pdf"; Response.BinaryWrite(msReport.ToArray()); Response.End();
//http://july-code.blogspot.com/2008/06/export-gridview-to-pdf.html }
//Get Help From:-// http://july-code.blogspot.com/2008/06/export-gridview-to-pdf.html//http://www.pdftron.com/net/usermanual.html

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How to take backup of a SQL Server Database Data

How to take backup of a SQL Server Database Data: -

1) Database (right click) -> Tasks -> Backup -> Database -> OK

(the database backup will be done)

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Import to Gridview from Excel Sheet (xlsx)

To import from an xlsx file to a Gridview, the whole code will be same as the post before, but the connection string should be changed.
It should be made: -


OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" +
Server.MapPath("~/App_Data/Running.xlsx") + ";" + "Extended Properties=\"Excel 12.0;HDR=Yes\"");

Rest is same.
The code will run properly.

Now the challenge is to select the path of the file at runtime.

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Import to Gridview from Excel Sheet (xls)

Step 1 – Create Excel worksheet
1) Open Microsoft Excel and create a new Worksheet.
2) The sample data is as follows: - (any sample data)
We will keep the default name for the Worksheet (Sheet1).
3) Let us name and save the excel file as Running.xls.
Note: You can download the Excel file along with the code files from the Downloads section at the end of this article.

Step 2 –Display Excel Data using GridView Control
1) Start Visual Studio 2005.
2) Select Create Website and choose the Template ASP.NET Web Site. We can choose the language as C#/VB. Set the name for the project as ExcelGV.
3) Add the existing Excel file (Running.xls) that we created to the App_data folder.
4) Add a new .aspx file. Choose language C#/VB and, depending on the language, we will set the appropriate names: ExcelGVCS.aspx for C# or ExcelGVVB for VB.NET.
4) Drag and drop the GridView control on the .aspx page.
5) We will add the following statement in code behind above the namespace section.

-----------------------------------------------------------------------------------
using System.Data.OleDb;
------------------------------
protected void Page_Load(object sender, EventArgs e)
{
OleDbConnection DBConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + Server.MapPath("~/App_Data/Running.xls") + ";" + "Extended Properties=\"Excel 8.0;HDR=Yes\"");
DBConnection.Open();
string SQLString = "SELECT * FROM [Sheet1$]";
OleDbCommand DBCommand = new OleDbCommand(SQLString, DBConnection);
IDataReader DBReader = DBCommand.ExecuteReader();
GridView1.DataSource = DBReader;
GridView1.DataBind();
DBReader.Close();
DBConnection.Close();
}
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