How to merge 2 tables fields in DataTable in asp.net
Answers were Sorted based on User's Feedback
you can use the query to merge the fields.that query will
be executed through the sqlcommand.
Is This Answer Correct ? | 22 Yes | 8 No |
Answer / ankur sehgal
Consider a dataset(ds) having two datatables or we can say
that it contains data from two tables..
System.Data.DataTable dt = new DataTable();
dt.Columns.Add("Field1", typeof(string));
dt.Columns.Add("Field2", typeof(string));
if(ds.Tables[0].Rows.Count > 0)
{
foreach(DataRow dr in ds.Tables[0].Rows)
{
DrNew = dt.NewRow();
DrNew[0] = dr["Field1"].ToString();
}
}
if(ds.Tables[1].Rows.Count > 0)
{
foreach(DataRow dr in ds.Tables[1].Rows)
{
DrNew = dt.NewRow();
DrNew[0] = dr["Field2"].ToString();
}
}
dt.AcceptChanges();
Is This Answer Correct ? | 22 Yes | 15 No |
Answer / sunil kumar
DataTable dt1 = retDT("select col1,col2 from Table1");
DataTable dt2 = retDT("select col3,col4 from Table2");
dt1.Merge(dt2);
retDT is a funtion to return datatable based on the query.
The output will be like below
if you check the dt1 content then the output will be
col1 col2 col3 col4
1 2 3 4
Is This Answer Correct ? | 21 Yes | 15 No |
You Can Write Query :
select (databasename).(owner).(tablename1).
(datafield),select (databasename).(owner).(tablename2).
(datafield) from (databasename).(owner).(tablename1),
(databasename).(owner).(tablename2)
Example:select
LSKGROUP.dbo.addsites.state,LSKGROUP.dbo.employee.empname
from LSKGROUP.dbo.addsites,LSKGROUP.dbo.employee
and then fill the values to new dataset table.
Remember:
if database also differ put databse's name accordingly
Good Luck.....
Is This Answer Correct ? | 13 Yes | 8 No |
Answer / abc
DataTable dt1 = retDT("select col1,col2 from Table1");
DataTable dt2 = retDT("select col3,col4 from Table2");
dt1.Merge(dt2);
retDT is a funtion to return datatable based on the query.
The output will be like below
if you check the dt1 content then the output will be
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / k
get data from first table and add it as a column in another
table and do the same way to retrive the second data from
other table.Add it to third column..
Is This Answer Correct ? | 9 Yes | 11 No |
Securitywise What are the Enhancements in 2.0?
What r the asp.net list controls and diff. Between them?
How can we identify that the Page is Post Back?
What is server infrastructure & server components?
Explain advantages of caching?
what is uncle aunty file
What is a PostBack? What is ViewState? How is it encoded? Is it encrypted? Who uses ViewState? Why is it either useful or evil?
From the given paragraph of text, write a program to match the strings of format “Any number of numerals followed by an underscore followed by any number of alphabets" ex:123_abc (Note:using regular expressions)
By default what is the Asp.Net application login context on IIS 5.0? By default the ASP.Net app runs in the context of a local user ASPNet on IIS version 5. On IIS version 6 on windows 2003 it is called Network service
suppose we have two object;obj1 and obj2 can we assign obj2 to one1; and if yes; then after assigning suppose we delete obj2 then obj1 will retain obj2 value or not.
What are assemblies and namespaces and explain the difference between them ?
what are the Custom controls in asp.net?