CREATING A SQL SERVER DATABASE PROJECT IN VISUAL STUDIO 2012
Posted: August 22, 2013 Filed under: Visual Studio Leave a commentA link from Michael Lang with description for how to create a database project in VS 2012:
http://candordeveloper.com/2013/01/08/creating-a-sql-server-database-project-in-visual-studio-2012/
Fill Form Hidden Field with Querystring Paramater
Posted: April 5, 2012 Filed under: jQuery/Javascript Leave a commentI have need to populate a hidden field on a Form with a value from incoming querystring with javascript.
I used the script I found from this thread to get the job done.
http://www.webmasterworld.com/javascript/4313611.htm
function getquerystring() { var url = location.href; if (url.split('?')[1] != undefined) { var qs = url.split('?')[1]; String.prototype.splitquerystring = function () { return this.split(/[=&]/); } document.getElementById('promocode').value = qs.splitquerystring()[1]; // for (var c = 1; c < qs.splitquerystring().length; c += 2) { // document.getElementById('inp' + c).value = qs.splitquerystring()[c]; // } } } window.addEventListener ? window.addEventListener('load', getquerystring, false) : window.attachEvent('onload', getquerystring);
Add Auto Number (serial number) For an Existing Datatable
Posted: August 19, 2011 Filed under: ADO.NET Leave a commentIt will be a lot easier to do it either from front end if you use datacontrol or from back end in T-SQL query with a Row_number function.
If both options are not your choice, you can work with your datatable object directly through datatable.Load method.
Here is the code snippet to add autoincremental number column to an existing datatable:
private static DataTable AddAutoIncrementColumn() { DataColumn myDataColumn = new DataColumn(); myDataColumn.AllowDBNull = false; myDataColumn.AutoIncrement = true; myDataColumn.AutoIncrementSeed = 1; myDataColumn.AutoIncrementStep = 1; myDataColumn.ColumnName = "autoID"; myDataColumn.DataType = System.Type.GetType("System.Int32"); myDataColumn.Unique = true; //Create a new datatable DataTable mydt = new DataTable(); //Add this AutoIncrement Column to a new datatable mydt.Columns.Add(myDataColumn); return mydt; } protected void Page_Load(object sender, EventArgs e) { DataTable myDataTable = new DataTable(); myDataTable = AddAutoIncrementColumn(); //Read your existing datatable into a datatableReader DataTableReader reader = new DataTableReader(GetTable()); myDataTable.Load(reader); GridView1.DataSource = myDataTable; GridView1.DataBind(); } http://msdn.microsoft.com/en-us/library/7x8ccbsb.aspx Another way is to add a column and loop through the datatable to add the counter: (From this thread: http://forums.asp.net/t/1712346.aspx/1?add+serial+number+in+existing+datatable )
dt.Columns.Add(“S.No”, typeof(int));
for (int count = 0; count < dt.Rows.Count; count++)
{
dt.Rows[count][“S.No”] = count+1;
}
Dynamic sort for a GridView
Posted: August 11, 2011 Filed under: ASP.NET 2 Leave a commentHere is a sample to pass column variables to control SORT ORDER:
<asp:GridView ID=”GridView1″ runat=”server” AutoGenerateColumns=”False”
DataSourceID=”SqlDataSource1″>
<Columns>
<asp:BoundField DataField=”Item” HeaderText=”Item” SortExpression=”Item” />
<asp:BoundField DataField=”Category” HeaderText=”Category”
SortExpression=”Category” />
<asp:BoundField DataField=”id” HeaderText=”id” SortExpression=”id” />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID=”SqlDataSource1″ runat=”server”
ConnectionString=”<%$ ConnectionStrings:mytest1ConnectionString %>” >
</asp:SqlDataSource>
<asp:Button ID=”Button1″ runat=”server” onclick=”Button1_Click” Text=”Sort” />
<asp:Button ID=”Button2″ runat=”server” onclick=”Button2_Click” Text=”ReverseSort” />
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
SqlDataSource1.SelectCommand = “SELECT id, Item, Category FROM Items order by id desc”;
GridView1.DataBind();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
string sortBySelected = “Item”;
string sortBySelected2 = “Category”;
SqlDataSource1.SelectCommand = “SELECT id,Item, Category FROM Items ORDER BY CASE WHEN @sortBySelected = ‘Item’ THEN Item END, CASE WHEN @sortBySelected2 = ‘Category’ THEN Category END”;
SqlDataSource1.SelectParameters.Clear();
SqlDataSource1.SelectParameters.Add(“sortBySelected”, sortBySelected);
SqlDataSource1.SelectParameters.Add(“sortBySelected2”, sortBySelected2);
GridView1.DataBind();
}
protected void Button2_Click(object sender, EventArgs e)
{
string sortBySelected = “Item”;
string sortBySelected2 = “Category”;
SqlDataSource1.SelectCommand = “SELECT id,Item, Category FROM Items ORDER BY CASE WHEN @sortBySelected = ‘Item’ THEN Item END DESC, CASE WHEN @sortBySelected2 = ‘Category’ THEN Category END DESC”;
SqlDataSource1.SelectParameters.Clear();
SqlDataSource1.SelectParameters.Add(“sortBySelected”, sortBySelected);
SqlDataSource1.SelectParameters.Add(“sortBySelected2”, sortBySelected2);
}
}
Turn off a Child Portal in DNN (DotNetNuke)
Posted: June 2, 2011 Filed under: DotNetNuke (DNN), IIS 7 URLRewrite 1 CommentSometimes you may have a need to turn off a child portal for sometime without using the expiration date host setting.
There is an easy way to do it with IIS’s URLRewrite module.
Here is an example code in web.config file:
<system.webServer>
….
<rewrite>
<rules>
<rule name=”RedirectChildPortal” stopProcessing=”true”>
<match url=”^myChildPortal/$” />
<conditions>
<add input=”{REQUEST_FILENAME}” matchType=”IsFile” negate=”true” />
</conditions>
<action type=”Redirect” url=”SomePage.htm” />
</rule>
</rules>
</rewrite>
</system.webServer>
<system.web>
…..
How to Determine What Fiscal Year of Today Datein ASP.NET?
Posted: March 21, 2011 Filed under: ASP.NET 2 Leave a commentHere is a code snippet I posted early:
protected void Page_Load(object sender, EventArgs e)
{
int fYear;
if (DateTime.Today.Month < 7)
fYear = DateTime.Today.Year;
else
fYear = DateTime.Today.Year + 1;
Response.Write( “Current fisical year:”+fYear.ToString().Remove(0,2));
}
Format string with GridView
Posted: March 21, 2011 Filed under: ASP.NET 2, SQL Server Leave a commentOne user at ASP.NEt forum asked a question for how to format a 15 digit number(string) with two hyphen (-) inside at position 10 and 15.
It can be don easily in SQL:
SELECT LEFT(@From,9) +’-‘+SUBSTRING(@From,10,5)+’-‘+RIGHT(@From,1)
The same can be done at the front end with string manipulation.
For the data column in GridView, we need to convert the BoundField to TemplateField first and apply the string.Insert to Eval at the designated position twice.
Text='<%# Eval(“rawCol”).ToString().Insert(9,”-“).Insert(15,”-“) %>’
We can see this in action below:
<asp:TemplateField HeaderText=”rawCol” SortExpression=”rawCol”>
<EditItemTemplate>
<asp:TextBox ID=”TextBox1″ runat=”server” Text='<%# Bind(“rawCol”) %>’></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID=”Label1″ runat=”server” Text='<%# Eval(“rawCol”).ToString().Insert(9,”-“).Insert(15,”-“) %>’></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField=”col” HeaderText=”col” ReadOnly=”True”
SortExpression=”col” />
Redirect domain site root to another page with URLRewrite (IIS7)
Posted: March 11, 2011 Filed under: IIS 7 URLRewrite Leave a commentThere are two ways I know to do this:
1.Method1:
<match url=”^\d*$” negate=”false” />
<action type=”Redirect” url=”redirect.aspx” />
</rule>
2. Method 2:
<rule name=”RedirectRootToAnotherPage” enabled=”true” stopProcessing=”true”>
<match url=”^$” />
<action type=”Redirect” url=”http://mysite.com/redirect.aspx” logRewrittenUrl=”true” />
</rule>
Regular Expression for a fixed length alphanumeric code in ASP.NET
Posted: November 17, 2010 Filed under: ASP.NET 2 Leave a commentValidationExpression
Inject Javascript from ASP.NET page
Posted: November 5, 2010 Filed under: ASP.NET 2 Leave a commentThere are a few ways to inject script to an ASP.NET page. Where to inject your script is depending on your need of the script on your page.
I am listing three ways to do it for one of my recent task:
1. If you want a startup type of javascript, you can use this syntax to inject the script to the end of the page just before the closing Form tag, you can use RegisterStartupScript:
Page.ClientScript.RegisterStartupScript( Me.[GetType](), “myScript”, sbOfTheScript.ToString())
2. If you want the script goes to the top of the page just after the Form tag, you can use RegisterClientScriptBlock:
Page.ClientScript.RegisterClientScriptBlock( Me.[GetType](), “myScript2”, sbOfTheScript.ToString())
3. If you want the script to be injected inside the Header part of your page, you can use a HtmlGenericControl to load a literal control for the script (Assume your Head tag’s id is “Head” and with a runat=”server” mark up):
Dim head As HtmlGenericControl = DirectCast(FindControl(“Head”), HtmlGenericControl)
head.Controls.Add(New LiteralControl(strOfYourScriptCode))