When writing image data into DB use:
Dim sigData() as Byte
Dim param as SqlCeParameter = cmd.Parameters.Add("Signature",
SqlDbType.Image, sigData.Length);
param.Value = sigData;
Read like thi:
sigData = selectreader.GetSqlBinary(ImageField).Value;
"Adam Goetz" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I hope that I'm close with what I currently have :
>
> trying save the data
>
> command.CommandText = "UPDATE ConTable SET imagesignature = ? WHERE
ConValue
> = '" + sConValue + "';";
> command.Parameters.Add("@imagesignature", SqlDbType.Image);
> command.Parameters["@imagesignature"].Value = binSignature;
> command.ExecuteNonQuery();
>
> try to read the data back
>
> sqlSelectTable.CommandText = "SELECT * from ConTable where ConValue = '" +
> sConVlaue + "'";
> SqlCeDataReader selectreader = sqlSelectTable.ExecuteReader();
> if (selectreader.Read())
> {
> binSignature = selectreader.GetSqlBinary(ImageField);
> };
>
>
> My save appears to work - it doesn't exception and the SqlCe Query
Analyser
> shows that the field is non-null - though it doesn't show any data from
the
> field. Yes there is information in binSignature which is of type
SqlBinary.
> My load gives a binSignature.Length of 0 and an exception for
> binSignature.Value.
>
> Can anyone tell me what I've got wrong?
>
>
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