Dataview

Great Reads

Print DataTable to Console (and more)

by yuvalsol

Print DataTable, DataView, DataSet, DataRow[] to Console, StringBuilder or Stream

Latest Articles

Print DataTable to Console (and more)

by yuvalsol

Print DataTable, DataView, DataSet, DataRow[] to Console, StringBuilder or Stream

All Articles

top

Dataview

Removal of Duplicate Rows from Data table Based on Multiple columns

10 Nov 2014 by DamithSL

try with LINQdt_Barcode = dt_Barcode.AsEnumerable() .GroupBy(r => new { Itemid = r.Field("Itemid"), PacktypeId = r.Field("PacktypeId")}) .Select(g => g.First()) .CopyToDataTable();Sample Test Code:void Main(){ DataTable dt_Barcode...

C#5.0

Dataview

DataTable

Removal of Duplicate Rows from Data table Based on Multiple columns

10 Nov 2014 by Rajesh Buddaraju

Example code for your problem.List arritems = new List(); items item = new items(); items item1 = new items(); items item2 = new items(); items item3 = new items(); items item4 = new items(); item.barcode = 1; ...

C#5.0

Dataview

DataTable

System.data.dataview rowfilter on a contains string

10 Jun 2019 by Chilly YahYah

When attempting to work with a dataview, its easy to filter on something = something. But what I want to do is filter on something contains this_string. I have a data table with about 5000 items in it. Where in PowerShell I can filter using something like the following: ...

Dataview

DataTable

System.data.dataview rowfilter on a contains string

10 Jun 2019 by Gerry Schmitz

"Probably" the whole table is getting downloaded due to the ".Contains" extension. You need a stored proc or pass-thru SQL so the query "runs on the server" Quote: Now, I mentioned earlier about the Invoke-SQLCMD cmdlet. This is by far the easiest way to get data in and out of SQL Server in...

Dataview

DataTable

How to have a dataview row filter by <> operator

7 Jan 2020 by OriginalGriff

It works for me: string strConnect = SMDBSupport.SMInstanceStorage.GetInstanceConnectionString("VideoMaster"); using (SqlConnection con = new SqlConnection(strConnect)) { try { con.Open(); ...

WinForms

VS2005

Dataview

Removal of Duplicate Rows from Data table Based on Multiple columns

4 Aug 2020 by pradeepbliss

I have data table which contains many duplicate rows i need to filter those rows from data table based upon multiple columns to get distinct rows in resultant data table....Barcode Itemid PacktypeId1 100 11 100 21 100 31 100 11 ...

C#5.0

Dataview

DataTable

unresolved error concerning RowFilter

17 Nov 2014 by ehabaziz2001

I got an error with the below statements :Can not fine column [name]DataView DV = new DataView(dbdataset);MessageBox.Show(textBox1.Text);DV.RowFilter = string.Format("name LIKE '%{0}%'", textBox1.Text);this.dataGridView1.DataSource = DV;

C#5.0

Dataview

unresolved error concerning RowFilter

17 Nov 2014 by Kornfeld Eliyahu Peter

You build a filter where you compare name column to the content of textBox1.Text. Obviously there is no such column name!!!Check you DataView at runtime and correct the problem...

C#5.0

Dataview

Filter expression '1' does not evaluate to a Boolean term

18 Feb 2015 by Member 10918596

Filter expression '1' does not evaluate to a Boolean term. how to solve this error .when i click button only this error camepublic DataSet Fill_Dataset() { DataSet ds = new DataSet(); con = new SqlConnection(str); con.Open(); cmd = new...

MS-Excel

ASP.NET

Dataview

Filter expression '1' does not evaluate to a Boolean term

18 Feb 2015 by Wendelius

Most like the error is on row dv.RowFilter=dr["country_id"].ToString();If country_id column contains a value of 1 then the filter would be just "1".For the filter you need to have a proper boolean evaluation so that the dataview can decide if the row is to be included or not. For...

MS-Excel

ASP.NET

Dataview

Filter expression '1' does not evaluate to a Boolean term

18 Feb 2015 by Member 10918596

DataSet ds = new DataSet(); DataSet dstemp = new DataSet(); con = new SqlConnection(str); con.Open(); cmd = new SqlCommand("sp_new", con); cmd.CommandType = CommandType.StoredProcedure; SqlDataAdapter da = new SqlDataAdapter(cmd); ...

MS-Excel

ASP.NET

Dataview

DataView/DataTable Filtering and Case Sensitivity

9 Dec 2015 by bjay tiamsic

Hi. I have a DataSet which I convert to DataView in order to do filtering, distinct and sorting, however lowercase and uppercase (though same value) is not being distinct.Here is sample value that does not make DISTINCTAdjustmentCode | AdjustmentFLEXI-HOUSING | flexi-...

Dataview

DataTable

DataView/DataTable Filtering and Case Sensitivity

9 Dec 2015 by Anjali0904

Set the CaseSensitive property of DataTable to TruedT.CaseSensitive=true;

Dataview

DataTable

C# filter list of string lists using a string list

25 Dec 2016 by Tobias Wälde

Hey there,I have a dataview which is filled by an object using string lists. I want pick the suitable entries by typing search words in a textbox.my object:class my_object{ List column1 = new List(); List column2 = new List(); List...

Dataview

string

C# filter list of string lists using a string list

25 Dec 2016 by P_Z

Hi, I think result List should contain matches from each column?If you're using C#, probably should have no problems using Linq//Source in this case refers to each column//SearchWords list of strings to searchpublic List SearchList(List Source, List...

Dataview

string

System.data.dataview rowfilter on a contains string

10 Jun 2019 by Chilly YahYah

I actually do not have permissions to an SQL server, so I am unsure if that is even possible for me to run "Invoke-SQLCMD". What I am doing is querying a SharePoint site using invoke-restmethod in PowerShell, as I only have Full control permissions on a site that I manage. I was successful in...

Dataview

DataTable

How to have a dataview row filter by <> operator

7 Jan 2020 by Paramu1973

Hi, I have head hunting problem with the below codes...Really it tooks my holeday, but still not clear... Any superiors can help me to clear? Thanks My Codes MyDtb1 = MyOriginalDtb; DataView MyDtbView = MyDtb1.DefaultView; MyDtbView.Sort = "prn_no,sheet_no,prn_date,pty_name";...

WinForms

VS2005

Dataview

Rowfilter of dataview with multiple column values

2 Aug 2021 by GovindSankar

Hi I created a sql server database and is using a dataset in visual studio to connect to the sql server database and I am using wpf application with a datagrid. Now in one section i need to use dataview.rowfilter. But i need to use multiple...

Rowfilter of dataview with multiple column values

2 Aug 2021 by PIEBALDconsult

This is where you might find what you seek: DataColumn.Expression Property (System.Data) | Microsoft Docs[^]

Print DataTable to Console (and more)

9 Nov 2017 by yuvalsol

Print DataTable, DataView, DataSet, DataRow[] to Console, StringBuilder or Stream

Removal of Duplicate Rows from Data table Based on Multiple columns

10 Nov 2014 by Manas Bhardwaj

This has been discussed so many times on other forums and CodeProject itself.Look at the links...

C#5.0

Dataview

DataTable

Removal of Duplicate Rows from Data table Based on Multiple columns

4 Aug 2020 by subho100

public void RemoveDuplicatesFromDataTable(ref DataTable table, List keyColumns) { Dictionary uniquenessDict = new Dictionary(table.Rows.Count); StringBuilder stringBuilder =...

C#5.0

Dataview

DataTable