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I tried it using sql update command itself ,then also an exception of string or binary data truncated is occured.
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Can you please show us the code for updating the image column? so, we can figure out what wrong in your code?
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public void UpdateUnitDetails(int UnitId, string UnitName, string UnitShortName, string Location, string UnitLogoPath, string UnitStream, string MaxStudentsPerClass, string LastModifiedByUser)
{
string sqlstatement;
Boolean isUpdated;
try
{
sqlstatement = "UPDATE Units SET UnitName='" + UnitName + "',UnitShortName='" + UnitShortName + "',Location='" + Location + "',UnitLogoPath='" + UnitLogoPath + "',UnitStream='" + UnitStream + "',MaxStudentsPerClass='" + MaxStudentsPerClass + "',LastModifiedByUser='" + LastModifiedByUser + "' WHERE UnitId='" + UnitId + "'";
isUpdated = dbtObj.ExecuteSqlCmd(sqlstatement);
}
finally
{
}
}
protected void btnModify_Click(object sender, EventArgs e)
{
MembershipUser MU;
int UnitId;
string ID;
try
{
MU = Membership.GetUser();
string LastModifiedByUser = MU.UserName;
ID = Gdv_Unit_List.SelectedDataKey.Value.ToString();
UnitId = int.Parse(ID);
Gdv_Unit_List.Columns[0].Visible = true;
string logo = insunit.UploadUnitLogo(UnitId);
if (logo != "")
{
insunit.UpdateUnitDetails(UnitId, Txt_UnitName.Text, Txt_ShortName.Text, Txt_Location.Text, Upload_Logo.FileName.ToString(), DdlStreamList.SelectedItem.ToString(), TxtStdperClass.Text, LastModifiedByUser);
}
else
insunit.UpdateUnitDetails(UnitId, Txt_UnitName.Text, Txt_ShortName.Text, Txt_Location.Text, Upload_Logo.FileName.ToString(), DdlStreamList.SelectedItem.ToString(), TxtStdperClass.Text, LastModifiedByUser);
Gdv_Unit_List.Columns[0].Visible = false;
BindGrid();
}
finally
{
}
}
Thsi is the code .
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SreejithAchutan wrote: public void UpdateUnitDetails(int UnitId, string UnitName, string UnitShortName, string Location, string UnitLogoPath, string UnitStream, string MaxStudentsPerClass, string LastModifiedByUser)
{
string sqlstatement;
Boolean isUpdated;
try
{
sqlstatement = "UPDATE Units SET UnitName='" + UnitName + "',UnitShortName='" + UnitShortName + "',Location='" + Location + "',UnitLogoPath='" + UnitLogoPath + "',UnitStream='" + UnitStream + "',MaxStudentsPerClass='" + MaxStudentsPerClass + "',LastModifiedByUser='" + LastModifiedByUser + "' WHERE UnitId='" + UnitId + "'";
isUpdated = dbtObj.ExecuteSqlCmd(sqlstatement);
}
finally
{
}
}
What is the code for updating the image? Are you updating the path of image (string) or image (bytes)?
The code below is for updating the image column ... (Note: I typed just like that so you may need to fix some syntax errors but you can get the idea from that code. )
<br />
byte[] img = <br />
SqlCommand update = new SqlCommand("UPDATE Person SET ImageColumn = @image<br />
WHERE personalID = " + pID, con);<br />
<br />
SqlParameter imageParameter = update.Parameters.Add("@image",<br />
SqlType.Image);<br />
imageParameter.Value = img;<br />
imageParameter.Size = img.Length;
Hope it helps..
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OT: Your code for the sql statement is a sql injection attack waiting to happen. It's best not to use string concatenation, but rather use parameterized queries for safer coding. Read the SQL Injection Attack article on this site by Colin Mackay.
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
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Actually we can modify obnly once .if we try to modify next time then an error had occured.What is the reason."The error is String or Binary is truncated".Is this is due to database design.lz help me
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I cahnge the image into byte and save and also when modifying the image will be converted.But the pbm occurs only once we can modify the data.when we tried to modify next time an exception occurs.What is the pbm is the pbm in table design.plz help me.
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CODE UNDER ROW BOUND DATA IN GRIDVIEW
Button b = (Button)e.Row.FindControl("update");
if (b != null)
{
string str = ChangeDateFormat(DataBinder.Eval(e.Row.DataItem, "indate").ToString());
b.Attributes.Add("onclick", "return abc(" + str.ToString() + ");");
}
CODE IN THE JAVA SCRIPT FUNCTION
function abc(s)
{
alert(s);
return false;
}
Function Defenition
public string ChangeDateFormat(string t)
{
string dat = "";
DateTime datformat;
if (DateTime.TryParse(t, out datformat))
{
dat = datformat.ToString("dd/MM/yyyy");
return dat;
}
return dat;
}
now when i click at the upDATE BUTTON TO CHECK THE VALUE IT GIVES
6576576575757657657
ACTUALLY IT SHOULD GIVE THE DATE IN DD/MM/YYYY FORMAT 12/12/2000.
I HAVED DEBUGGED THE CODE .IT IS SENDIG THE ACCURATE DATE.
Yesterday is a canceled check. Tomorrow is a promissory note. Today is the ready cash. USE IT.
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Sonia Gupta wrote: I HAVED DEBUGGED THE CODE .IT IS SENDIG THE ACCURATE DATE.
DON'T SHOUT. OKAY??
Sonia Gupta wrote: I HAVED DEBUGGED THE CODE .IT IS SENDIG THE ACCURATE DATE.
So, what? Are you asking the question or just wanted to let us know that you have debugged the code?
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Sir, if u don;t want to reply , fine , No Problem , Y r u behaving so rudely.
All i am trying to say , is that , up to this level , i have achieved a particular task , now i am unable to solve it further.
and Sir , as far as the duplicate post is concerned , sir it is lying in the third page .
If u are so concerned with these duplicate posts , sir , i am very eager for ur reply , there in the third page
Thank You Sir
Yesterday is a canceled check. Tomorrow is a promissory note. Today is the ready cash. USE IT.
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Sonia Gupta wrote: Sir, if u don;t want to reply , fine , No Problem , Y r u behaving so rudely.
Sonia, As you are in this forum for long time, you might probably read my reply for other.. So, you might know how I reply.. but you are the one who started shouting in our forum.. Typing in capital is considered as very rude.. but you are asking the question in very rude way..
Sonia Gupta wrote: sir it is lying in the third page .
I can understand this. but what I want to say is that you should at least reply his post.. Because he is also the one who is trying to help you..
So,
- Don't shout here (typing in capital letters)
- Don't forget to reply any post that replied to your question..
Thank you too..
modified on Friday, January 04, 2008 3:26:05 AM
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Michael Sync wrote: but you are the one who start shouting in our forum
What's the meaning of this line.Have u purchased the code project site ?????????????
Congratulations!!!!!!!!!
Yesterday is a canceled check. Tomorrow is a promissory note. Today is the ready cash. USE IT.
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Sonia Gupta wrote: Have u purchased the code project site ?????????????
Did I say that I bought CP? What I was saying is that you are the one who started shouting here. Oh, btw, what is the difference between "my" and "our"?
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Sir, May i advice u that whenever u feel tired , please take some rest or have some outing.
Be Happy
Cheers.... 
Yesterday is a canceled check. Tomorrow is a promissory note. Today is the ready cash. USE IT.
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Okay. Sonia. Thanks. Good luck!
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cease-fire cease-fire
Sonia the fault is yours. Play nice...
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Sonia Gupta wrote: I HAVED DEBUGGED THE CODE .IT IS SENDIG THE ACCURATE DATE.
Which is sending the accurate date ? ChangeDateFormat() method ?
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Yes
Yesterday is a canceled check. Tomorrow is a promissory note. Today is the ready cash. USE IT.
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Hi all,
I m newbie to asp.net(vb), I have a grid view with 2 columns i tried to set the with of each column using ItemStyle.Width property but it didn't work.
Can anyone tell me how can i set the width of column???????????????
Thanks with anticipation
Regard
~V~
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Setting the width of Gridvew
- Go to the designview
- Go to the propertypad of Gridview.
- Click on "Columns"
Ob: Fields dialog will be shon.
- Check "Selected fields" (I think there will be two columns as you said.)
- Click on one of those columns.
- Go to ItemStyle and set something to Width property of ItemStyle.
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Thanks for your reply, 
I have done same thing as u told me but the itemstyle.width property is not working
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then, write one CSS class and assign this CSS class in "CssClass" property of BoundField properties.
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Sir,
I m newbiew to asp.net so can u provide me some link or other help
Thanks once again
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For example:
CSS - You create the CSS class like that..
<br />
.mytextboxclass {<br />
width : 300px<br />
}
then, set "mytextboxclass" in CssClass property of Bound Column.
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